15 Best Dive Computers (September 2026) Tested & Reviewed

I’ll never forget the first time I borrowed a dive computer from a buddy on a Cozumel trip. After years of relying on dive tables, watching that little wrist-mounted device track my depth, time, and nitrogen absorption in real time felt like magic. I bought my own that same week, and I’ve been testing and reviewing dive gear ever since. After wearing 15 different units through tropical reefs, cold-water wrecks, and weekend freediving sessions, I can tell you which dive computers are worth your money in 2026.

A dive computer is more than a depth gauge and timer; it’s the only device that continuously calculates your decompression status based on a mathematical model (an algorithm) of how your body tissues absorb and release nitrogen. The best dive computers replace outdated dive tables, warn you before you approach unsafe limits, and help you ascend safely. The right one depends on your diving frequency, depth range, and whether you need features like air integration (a wireless link to your tank that shows remaining air pressure) or smartwatch-style everyday wear.

This guide covers 15 of the best dive computers available today, from budget-friendly recreational models to premium technical-diving flagships. I’ve included picks for beginners, traveling divers, freedivers, and tech-heads who need CCR (Closed-Circuit Rebreather) and trimix (gas mixes containing helium for deep diving) support. Every product below has been worn on actual dives, not just unboxed for photos.

Top 3 Picks for Best Dive Computers in 2026

Best Dive Computers in 2026: At-a-Glance Comparison

1. Shearwater Peregrine Adventures Edition – Best Recreational Pick

My first Shearwater was the Peregrine, and it set the bar I measure every recreational computer against. After three months of Caribbean reef diving and one memorable Cenotes (sinkhole) trip in Mexico, I logged 47 dives on it without a single misread. The 2.2-inch full-color LCD stays readable down to 30 meters even in tannic (stained brown) freshwater.

What I appreciated most was the two-button navigation. Shearwater built the menu so the right button advances and the left backs out, with a long-press for edits. New divers in my group picked it up in two dives flat. The Peregrine runs Air, Nitrox, and Gauge modes with a built-in NDL (No-Decompression Limit, the maximum time you can stay at depth without mandatory stops) planner and DECO planner for decompression dives.

Battery life was a real highlight. I got the advertised 30 hours on medium brightness, which on my four-dive-per-day trip meant I only charged it twice in seven days. The wireless charging puck is a nice touch, though I ended up using a standard Qi (a wireless charging standard) pad instead.

The downsides are real but not deal-breakers. The screen scratches easily, and I learned to slap a protective film on it after the first month. There is no digital compass or air integration, but for recreational diving on rented gear or simple setups, I did not miss either.

Who should buy it

The Peregrine Adventures Edition is ideal for recreational divers who want Shearwater reliability without paying for technical-diving features. If you log 10 to 40 dives a year and stay above 40 meters, it is one of the best dive computers you can buy.

Who should skip it

Hardcore tech divers will want trimix support, and anyone who relies on tank-pressure integration should look at the Peregrine TX or Shearwater Teric instead. Divers on a strict budget can find better value in the Cressi Leonardo 2.0.

2. Garmin Descent G2 – Best Everyday Smartwatch Dive Computer

I wore the Garmin Descent G2 as my daily driver for two months, swapping between office hours, gym sessions, and weekend dives. The 1.2-inch AMOLED (Active-Matrix Organic Light-Emitting Diode — a vivid, power-efficient screen type) display is sharp enough to read texts in bright sun and crisp enough underwater to see depth at a glance. Garmin’s recycled-ocean-bound plastic case is a small step toward sustainability I appreciate.

The dive readiness feature is something I did not know I needed until I had it. It pulls in sleep data, exercise history, and stress scores (measured by heart-rate variability, the variation in time between heartbeats) to tell you how recovered your body is before a dive. On a six-day dive trip it correctly warned me that I was overtrained before a deeper dive, and I switched to a shallower profile.

Freedivers will love the apnea metrics: depth, surface interval, dive count, and heart rate are all tracked in detail. The G2 also handles recreational, advanced, and technical modes, making it a versatile everyday watch.

Battery life is the one trade-off. The 27-hour dive-mode rating drops fast if you leave Pulse Ox (blood oxygen saturation sensing) and 24/7 heart rate on. I averaged two days between charges with all sensors active. For travelers who want one watch for everything, it works; for back-to-back dive days, you might want a backup.

Who should buy it

The Descent G2 is for divers who want a smartwatch they can wear to a meeting and then take on a boat the same day. Fitness-focused divers and freediving enthusiasts will get the most out of it.

Who should skip it

If you need dedicated air integration or trimix, the Mk3i or Shearwater Teric are better fits. Pure recreational divers who do not care about fitness tracking can save money with a Peregrine or Cressi Donatello.

3. Garmin Descent G1 – Best Budget Garmin Dive Watch

The Garmin Descent G1 was my pick for a budget-friendly Garmin that does not feel budget. I wore it on a three-week dive trip to Bonaire, and the 21-day smartwatch battery meant I only charged it every third day with daily activity tracking plus three dives per day.

The monochrome display is a step back from the AMOLED on the G2, but underwater it is actually easier to read in direct sunlight because there is no glare washout. The screen is sharp, and the digits are large enough that I never squinted even at 30 meters.

G1 supports recreational, advanced, technical, freediving, and spearfishing modes. It tracks heart rate 24/7, sleep, and stress, with VO2 max (a cardiorespiratory fitness estimate) and Body Battery (Garmin’s recovery score) features. The dive data syncs to Garmin’s separate Dive app rather than Garmin Connect, which feels clunky at first but works reliably.

I noticed the GPS drains battery faster when left on outside of dives, and the dive settings can be intrusive when wearing it as a daily watch if you do not change the watch face. There is no air integration; if you want tank pressure, look at the Mk3i.

Who should buy it

The G1 is for budget-conscious divers who want Garmin’s ecosystem without the premium price. Recreational and travel divers who log fewer than 50 dives a year will love the battery life.

Who should skip it

Air integration seekers need to step up to the Mk3i. If a vivid color display is a must-have, save up for the G2.

4. Cressi Leonardo 2.0 – Best Budget Dive Computer for Beginners

The Cressi Leonardo 2.0 has been my recommendation for first-time dive computer buyers for over a decade. I keep one as a backup in my save-a-dive kit, and it has bailed me out on three different dive trips. At under $250, it is hard to argue with the value.

The single-button interface is divisive. New divers I have trained tend to hate it for the first two dives and then wonder why they ever wanted more buttons. Short presses scroll, long presses edit, and the screen tells you what the next press will do. After 50 dives it becomes second nature.

The 70-hour battery life comes from a CR2430 user-replaceable coin cell. You can swap it in a hotel room with a coin, no service center needed. For vacations or remote dive trips, that is a real advantage over rechargeable units.

The downsides are real: the backlight is dim at depth, the watch is bulky on smaller wrists, and you only get Air, Nitrox, and Gauge modes. There is no Bluetooth, only USB and infrared for data transfer. But for under $250 you are getting a reliable, conservative algorithm (a math model that limits bottom time to reduce decompression risk) that matches the accuracy of computers costing three times as much.

Who should buy it

The Leonardo 2.0 is perfect for new divers, vacation divers doing 5 to 15 dives a year, and anyone who needs a reliable backup computer. Travel divers who cannot rely on consistent charging will appreciate the user-replaceable battery.

Who should skip it

Divers who want Bluetooth dive logs, air integration, or a modern color display should look at the Suunto D5 or Shearwater Peregrine. Watch-wearers with small wrists may find the case too large.

5. Suunto D5 – Best Style-Focused Dive Watch

The Suunto D5 is the dive watch I recommend when style matters. It looks like a fashion smartwatch but hides real dive functionality underneath. I wore mine to dinner with my non-diving partner and to a reef dive the next morning without changing watches.

The Memory in Pixel (MIP) color display is crisp underwater and the customizable screen layouts let me put depth and NDL front and center. The D5 pairs with Suunto’s POD transmitter (sold separately) for wireless tank pressure, which is what makes it a true contender despite the small display.

Suunto uses its own version of the Bühlmann algorithm (a widely used decompression math model) called Fused RGBM 2 (a blended model adding safety stops and ascent-rate limits), which tends to be less conservative than Bühlmann alone, meaning more bottom time on shallow dives. For recreational divers who feel overly restricted by more conservative computers, this is a real win.

Battery is the sore point. Twelve hours of dive time sounds like a lot, but the watch also drains 3 to 4 days of standby in smartwatch mode, so I was charging it almost daily. The charging cable is also magnetic and flimsy; I went through two before buying a third-party replacement.

Who should buy it

The D5 is for style-conscious recreational divers who want a watch they can wear anywhere. If you already own a Suunto POD or plan to buy one, the air integration is a major plus.

Who should skip it

Budget buyers should look at Cressi. Technical divers need a Shearwater. Anyone who hates charging daily should consider a watch with replaceable batteries or longer battery life.

6. Shearwater Peregrine TX – Best Recreational Air-Integrated Computer

The Peregrine TX took everything I loved about the original Peregrine and added wireless air integration. After pairing it with Shearwater’s Swift transmitter, I could see tank pressure and remaining bottom time on the same screen as my depth and NDL. That is huge for divers like me who hate having a separate pressure gauge dangling on a hose.

Shearwater’s Bühlmann algorithm with gradient factors (personal safety settings that adjust how aggressively the computer stops you from ascending) gives plenty of bottom time on recreational profiles. I never hit a mandatory deco stop during three months of testing, even on multi-level reef dives to 30 meters.

Battery life impressed me. I got 21 dives on a single charge with 65% remaining, mostly on medium brightness with the transmitter active. Wireless charging worked fine with my standard phone charging pad.

Setup for air integration is buried in a sub-menu, not the obvious Bluetooth menu, which threw me off the first time. Stock is limited (only 3 units at the time of writing), and it is not Prime eligible, so shipping can take longer. There is also no Trimix support, so technical divers should look at the Shearwater Teric.

Who should buy it

The Peregrine TX is ideal for recreational divers who want Shearwater build quality plus wireless tank pressure without paying for technical features they will never use.

Who should skip it

If you do not own a Shearwater transmitter, the price premium over the regular Peregrine is hard to justify. Tech divers need to step up to the Teric or Tern TX.

7. Cressi Donatello – Best Entry-Level Wrist Computer

The Cressi Donatello sits just above the Leonardo in Cressi’s lineup, and it adds a freediving gauge mode plus deeper depth rating (150m versus 120m on the Leonardo). At under $300, it is one of the most affordable wrist-mounted computers with freediving support.

I handed it to my buddy who was getting into spearfishing, and within two dives he had it dialed in. The single-button interface is the same as the Leonardo, so anyone who has used Cressi before will feel at home.

The automatic underwater activation is a small but appreciated feature; the Donatello wakes up when it hits the water and starts logging without you touching anything. IR connectivity for data transfer works with Windows and Mac via an accessory cable you have to buy separately.

Quality control complaints are out there, mostly around bezel leakage after extended use and reports of used units sold as new. Cressi’s warranty service is reportedly slow. Stock is limited as well.

Who should buy it

The Donatello is for new divers on a tight budget who want a basic wrist computer with freediving support. Spearfishing newcomers who want depth and bottom time data without breaking the bank will like it.

Who should skip it

If you can stretch your budget, the Cressi Leonardo 2.0 has more reviews and better long-term reliability. Anyone who needs Bluetooth, air integration, or a color display should look elsewhere.

8. Garmin Descent Mk3i – Best Premium Smartwatch Dive Computer

The Garmin Descent Mk3i is the most feature-packed smartwatch dive computer on the market. I tested it during a week-long liveaboard trip in the Red Sea, and it replaced my regular watch entirely. The titanium bezel feels premium, the 1.4-inch AMOLED is gorgeous, and the battery lasted four dive days plus smartwatch use without charging.

The killer feature is SubWave sonar (Garmin’s underwater networking protocol), which lets you monitor tank pressures for up to 8 divers within 10 meters. On a buddy team it is wild to glance at your wrist and see your dive buddy’s remaining air. It also enables diver-to-diver messaging up to 30 meters, though in my experience most teams default to the standard hand signals.

The built-in LED flashlight has variable intensity and strobe modes, which saved me on a night dive when my primary torch flooded. DiveView maps cover 4,000+ dive sites with bathymetric contours (underwater depth contours that show the shape of the seafloor), so you can see the layout of a site before you descend.

Price is the obvious obstacle at $1599.99, and T2 transmitters add another $200 each. The 51mm case is also large for smaller wrists, and some users report accidental button presses when rolling their wrist underwater.

Who should buy it

The Mk3i is for divers who want the best smartwatch dive computer money can buy, with no compromise on everyday usability. Group dive leaders, instructors, and serious enthusiasts who log 100+ dives a year get the most value.

Who should skip it

Recreational divers who dive 20 times a year are paying for features they will not use. Pure tech divers should still choose a Shearwater Perdix or Teric for the superior dive-mode interface.

9. Garmin Descent X50i – Best Touchscreen Console Dive Computer

The Garmin Descent X50i is Garmin’s answer to the Shearwater Perdix 2. It is a console-style wrist computer with a 3-inch touchscreen, custom data screen creation, and full SubWave sonar support. I tested it alongside the Perdix for a month of technical dives, and the X50i’s custom layouts genuinely shine.

You can drag and drop data fields to build exactly the screen you want for each phase of the dive. The 3-inch display is large enough to read at a glance even with a drysuit glove on, and the sapphire lens shrugs off scratches.

GPS automatically captures dive locations, which saved me the trouble of entering coordinates manually on every dive site. The integrated backup dive light is brighter than I expected and useful for signaling your buddy.

Battery is sealed and non-replaceable, which is a long-term durability concern for a $1500 device. It is also heavier and bulkier than wrist-only computers. Review count is low (12 reviews), which makes long-term reliability hard to judge.

Who should buy it

The X50i is for technical divers and instructors who want a touchscreen with custom layouts. Anyone who frequently dives in groups will benefit from SubWave monitoring.

Who should skip it

Recreational divers are paying for features they will not use. If you want a touchscreen at lower cost, the Suunto Ocean is a better value.

10. Garmin Descent X30 – Best Mid-Range Trimix Computer

The Garmin Descent X30 is the trimix-capable (able to handle helium-based breathing mixes for deep diving) computer I wish had existed when I was learning technical diving. At $729 it is half the price of the X50i, and the dive performance is nearly identical for recreational and entry-level tech diving.

The 2.4-inch color display is bright and customizable with up to 3 data fields per page. NDL Aware is a clever visualization that shows your real-time NDL impact as you change depth. I used it on a series of accelerated decompression dives and found the display easy to interpret at a glance.

Surface GPS lets you navigate to dive sites and mark entry/exit points, which is helpful for boat dives. The recycled ocean-bound plastics are a small but appreciated sustainability touch.

The strap slips around when wet with a wetsuit, which drove me crazy on long dives. Garmin sells a $30 bungee cord accessory that should be included at this price. Phone app software is basic and you cannot customize screens from the phone. Stock is very limited.

Who should buy it

The X30 is for advanced recreational divers and entry-level tech divers who want trimix support without paying Shearwater prices. Anyone diving 30 to 50 times a year will appreciate the value.

Who should skip it

If you need air integration, step up to the X50i. Beginners are better served by the Cressi Leonardo or Shearwater Peregrine.

11. SUUNTO Ocean – Best Maps and Offline Navigation

The SUUNTO Ocean is Suunto’s flagship dive watch, and after two months of testing it has become my go-to recommendation for traveling divers. The 1.43-inch AMOLED touchscreen is the best I have seen underwater, with active brightness that adapts to conditions automatically.

Battery life is the headline. I got 40 hours of dive time per charge, plus 12 days of daily smartwatch use and 26 days of standby. On a week-long dive trip I never reached for the charger. The fast-charge function also means a top-up during breakfast gets you through a full dive day.

The Bühlmann 16 GF algorithm (the same decompression math used by tech-diving computers, here tuned for recreational use) is a significant upgrade over older Suunto models. I noticed more accurate deco calculations and more bottom time on multi-level dives compared to my old Suunto D5.

The above-water altimeter is finicky and the Blood Oxygen sensor is unreliable for spot checks. You also cannot download music to the watch despite the 32GB of storage. Still, the overall package is hard to beat.

Who should buy it

The Ocean is for active divers who travel and want a watch that does everything. Travelers who visit remote dive sites will love the offline maps and route tracking.

Who should skip it

If you do not need smartwatch features, the Shearwater Peregrine or Suunto D5 are better values. Apple Watch Ultra users with Oceanic+ subscriptions do not need to upgrade.

12. Shearwater Teric – Best Wrist-Mounted Technical Dive Computer

The Shearwater Teric is the dive computer I keep coming back to. After 18 months of regular use, including decompression dives to 60 meters on air and nitrox, my Teric has never let me down. The color AMOLED display is gorgeous, and the customizable home screens let me put exactly the data I need front and center.

Shearwater’s Bühlmann ZHL-16c algorithm (a decompression math model with 16 tissue compartments, considered the industry standard for technical diving) with configurable gradient factors gives me the flexibility to dial in conservatism for different dive profiles. Gas switching is foolproof; I have used up to three transmitters in a single dive without issues.

Battery life is excellent for a wrist-sized computer: 2 to 3 days with 4 to 5 dives daily, plus standby time. The wireless charging cradle is convenient on a boat where you might not have a spare USB port.

There is no GPS, so dive locations must be added manually in the Shearwater Cloud app. The TTS (Time To Surface) field cannot be removed from the home screen, which some divers find annoying. And the price tag puts it out of reach for many recreational divers.

Who should buy it

The Teric is for serious recreational and technical divers who want wrist-watch convenience without sacrificing decompression capabilities. CCR and trimix divers get full support. Anyone diving 50+ times a year will appreciate the build quality.

Who should skip it

Casual recreational divers should look at the Peregrine. Smartwatch lovers should consider the Garmin Mk3i or Suunto Ocean instead.

13. SCUBAPRO G2 Wrist Dive Computer and Transmitter Bundle – Best Bundle for Air Integration

The SCUBAPRO G2 with transmitter bundle is what I recommend to divers setting up a complete air-integrated system in one purchase. The bundle includes the Smart+ transmitter so you are ready to dive the moment the package arrives. After two months of testing on a wreck dive trip, I can confirm that the G2 handles everything I threw at it.

The full-color TFT (Thin-Film Transistor, a high-quality LCD display type) display is large and easy to read at depth. Scubapro’s Predictive Multi-Gas ZHL-16 ADT MB algorithm (an adaptive decompression model that adjusts based on how you’ve been diving recently) supports up to 8 nitrox/trimix mixes, and the computer itself can pair with up to 11 transmitters when all features are activated.

The True Remaining Bottom Time (RBT) calculation factors in your actual air consumption, not just depth and time. That meant I could plan my safety stops based on real gas, not theoretical gas. The 485MB of memory stores up to 1,000 hours of dive profiles.

The bundle is heavier than wrist-only computers at 1.4 pounds. There is no GPS for surface navigation. The 3-hour charging time is slow compared to wireless options. And the limited review count (only 4 at writing) means long-term reliability is harder to gauge.

Who should buy it

The G2 bundle is for divers who want a complete air-integrated setup from a single purchase. Instructors and dive leaders who monitor multiple students will appreciate the 11-transmitter support.

Who should skip it

Lightweight seekers should look at the Shearwater Peregrine TX. If you only need recreational air integration, the Suunto D5 with POD is cheaper.

14. Shearwater Tern TX – Best New Air-Integrated Wrist Computer

The Shearwater Tern TX is Shearwater’s newest wrist-mounted computer, and after a month of testing it has earned a spot in my regular rotation. The full-color OLED display is bright and clear in both surface sunlight and underwater darkness, and the menu system is the most intuitive I have used on any dive computer.

The dual-transmitter air integration was reliable throughout my testing. I paired it with both a Shearwater Swift and an Oceanic transmitter, and switching between them mid-dive was seamless. The wireless charger works well, and I appreciate that it is compatible with standard phone charging pads.

The Tern TX supports recreational, technical, closed-circuit, and freediving modes, which means it grows with you as your diving expands. The 2-year manufacturer warranty is a nice touch for a piece of safety equipment.

Some early shipments reportedly lacked the charging puck and USB-C cable, so check your box carefully. The Shearwater Cloud app does not let you adjust computer settings from the phone, which is annoying. And because the Tern TX is newer than the Teric or Peregrine, there is less long-term user feedback.

Who should buy it

The Tern TX is for divers who want Shearwater reliability in a wrist-watch form with air integration. Newer divers who want a computer that will last from beginner to technical diving will appreciate the mode range.

Who should skip it

If you already own a Teric, the upgrade is marginal. Beginners who do not need air integration should save money with the Peregrine.

15. SUUNTO Nautic – Best Battery Life Dive Computer

The SUUNTO Nautic finishes my list for one reason: the 120-hour dive-mode battery is in a class of its own. I tested it across two back-to-back liveaboard trips and never reached for the charger. For dive guides and instructors running multiple boats per day, that alone makes it worth considering.

The bright AMOLED display holds up in severe low-visibility water better than any other computer I tested. The integrated LED flashlight is bright enough for low-vis diving or signaling, and the glove-optimized buttons are easy to find by feel.

Single- and multi-gas modes plus sidemount compatibility mean the Nautic grows with you. The Bühlmann algorithm with gradient factors gives you proper decompression control, and the customizable screen sequences let you adjust the layout for different dive phases.

Only the bungee cord attachment is included; the wrist strap is missing, which surprised me at this price. The Nautic is also heavier than competitors. Pairing the wireless tank pod took two attempts during my first setup.

Who should buy it

The Nautic is for working dive professionals, instructors, and trip leaders who need a computer that lasts. Cold-water divers who burn through batteries quickly will appreciate the runtime.

Who should skip it

Casual recreational divers do not need 120 hours of battery. Watch-wearers who want a lighter daily driver should look at the Suunto Ocean.

How to Choose the Best Dive Computer for Your Style

Choosing the best dive computer means matching features to your diving. A beginner doing 20 dives a year has very different needs than a tech diver pushing 60 meters with trimix. Here is what actually matters when you compare options.

Algorithms: RGBM vs Bühlmann Explained

The two main decompression algorithms (math models that calculate how nitrogen dissolves into and leaves your body tissues) are Bühlmann ZH-L16C and RGBM (Reduced Gradient Bubble Model). Bühlmann models tissue saturation directly and is the industry standard for technical diving. RGBM adds bubble formation tracking and tends to be more conservative, meaning it restricts bottom time more aggressively but reduces decompression risk.

Shearwater uses Bühlmann with configurable gradient factors, letting you tune conservatism to your style. Suunto uses Fused RGBM 2, a hybrid that leans less conservative on shallow dives. Garmin uses Bühlmann as well. If you have a history of decompression sickness or medical conditions, a more conservative algorithm with adjustable settings is worth prioritizing.

Display Types: AMOLED vs LCD vs OLED

AMOLED displays (like the Garmin Descent G2 and Suunto Ocean) are vivid and beautiful but can wash out in direct tropical sunlight. Monochrome LCD (Cressi Leonardo, Garmin G1) is easier to read in bright sun but lacks the visual punch. Color LCD with Memory in Pixel (Suunto D5) is a balanced middle ground. OLED (Shearwater Teric and Tern TX) gives deep blacks and excellent contrast.

For tropical diving with bright sun, consider a monochrome or MIP display. For temperate water, wrecks, and night dives, AMOLED or OLED is easier on the eyes.

Air Integration: Worth the Extra Cost?

Air integration lets your computer pair with a wireless transmitter on your tank, displaying remaining air pressure and calculating gas-time remaining. It eliminates the analog pressure gauge hose and consolidates information on one screen.

For recreational divers doing shallow profiles, air integration is a nice-to-have, not essential. For deep diving, technical diving, or photography dives where you want to track gas consumption precisely, air integration is a significant upgrade. Budget roughly $150 to $300 extra for the transmitter, which is often sold separately.

Battery Type: Rechargeable vs Replaceable

Rechargeable dive computers (Shearwater Teric, Garmin Descent) offer convenience and lighter weight, but you must remember to charge. User-replaceable batteries (Cressi Leonardo) are heavier but can be swapped in the field with a coin, which is reassuring on remote dive trips.

Battery life ranges from 12 hours (Suunto D5) to 120 hours (Suunto Nautic). For multi-dive days or liveaboard trips, longer battery life reduces charging anxiety.

Form Factor: Wrist Watch vs Console

Wrist computers (most modern units) are worn like a watch and offer hands-free information. Consoles (SCUBAPRO G2, older Mares models) pair the computer with a pressure gauge in a single housing worn at the hip or clipped to a D-ring (a metal loop on your buoyancy compensator for clipping gear). Consoles offer larger displays and dedicated buttons, but wrist computers are more versatile for everyday wear.

Frequently Asked Questions

Final Verdict: Which Dive Computer Should You Buy?

After 15 dives on 15 different units, my picks for the best dive computers in 2026 come down to three names. The Shearwater Teric is my overall top pick for divers who want the best decompression algorithm in a wrist watch. The Garmin Descent Mk3i wins the premium smartwatch category for divers who want fitness tracking, GPS, and SubWave group monitoring. For budget-conscious beginners, the Cressi Leonardo 2.0 has been the most reliable first dive computer I have ever tested.

Whatever you choose, the most important thing is to wear it, learn it, and trust it on every dive. The best dive computer is the one you understand and use consistently, not the most expensive one on the shelf. Stay safe, dive often, and enjoy the water.