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Mares Smart Wrist Computer

26 reviews
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Regular: $369.95

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About Mares Smart Wrist Computer

Featured Reviews

See all 26 reviews

Solid Performer

By Kurt W.

 -  Etters, PA, US

I have used this watch/computer so far on dive trips to Key Largo and a liveaboard trip. Easily fit over my 3mm wetsuit. Very reliable, good looking and easy to use. I would recommend this computer to anyone looking for a value-priced watch-style dive computer.


Great wrist computer for a great price

By MD D.

Bought this as a back up computer but ended up getting a good watch as well. The crystal is clear and easy to read under water. Computer worked well with nitrox diving. The manual (as is with most computers) was tricky to get through and I actually found that it was easier to figure out the operation with just pressing the two buttons than it was to read the manual. I looked at the manual to find out what some abbreviations meant and that was about it. I liked it so much, I bought one for...

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The Mares Smart Wrist Computer Super has a sharp and clear display, perfect ergonomics and user friendliness and is an all-rounder capable of multi gas and free diving. Quintessential: representing the most perfect or typical example of a quality or class. What happens when you add the superior sharpness of segmented characters, clarity of a perfectly laid-out display, and top it off with ergonomic advantages of two buttons? You get Smart, probably the smartest computer on the market. Smart replicates the excellent display of the Puck Pro, adding an additional button, buttons are repositioned to the side, all packaged into a much slimmer profile. On the surface, adjust your nitrox settings or view your logbook with ease. Underwater, you can manage alternate depth information (top row), completely independent from the ancillary information displayed in the bottom row. Mares finished it with a two-color strap and unique design, making this the perfect companion for your time away from diving.

The Mares Smart Wrist Computer is one of the most intuitive wrist computers on the market today. Due to its effective screen layout and simplistic two-button design, recreational and professional divers alike can enjoy this stylish and effective wrist computer. The Smart Computer features a highly readable LCD backlight display that features a scratch-resistant mineral lens. The screen is incredibly clear; it can be easily read in the middle of the day, in direct sunlight. The layout of the screen is also extremely simplistic and provides you with all the information you need on the average dive for the entirety of the dive. The display reads current depth, maximum depth, no-deco time, ascent rate, bottom time, low battery indicator, and temperature. You can even customize the audible alarms to go off when you wish or not at all. It even features a unique option to reset your residual nitrogen. Other features include: altitude adjustments, pre-dive planning, surface interval countdown, dive log recall, and EAN (nitrox mode). EAN mode allows you 2 gases ranging from 21% to 99% O2.

When you are out of the water the Smart computers doubles as a trendy digital wristwatch. You will be able to stay on top of your daily tasks with a calendar, stopwatch, daily alarm, dual time modes and temperature reading when you wear the computer day to day. The Smart computer also features a user replaceable CR2430 lithium battery, has a memory capacity of 36 hours, and should last up to 200 dives on a new battery. At an affordable price point, extremely simplistic interface, and usable by both professional and recreational divers, the Mares Smart Wrist Computer packs a powerful punch and should be on every diver's wrist. The Mares Smart Wrist Computer uses the RGBM Mares-Wienke algorithm, provides a depth display to 492' (150 meters) can be set for fresh or seawater, imperial or metric measurements and is firmware upgradable through Dive Link. For download interface see Mares PC Interface for Dive Link 2 (SKU: MRSPCDL2).

This product can only be shipped to U.S. addresses.

Warranty Information

This product has a limited warranty of 24 months.


Mares Smart Wrist Computer Features

  • Mares Smart Wrist Computer:
  • The Perfect Wrist Computer for Any Level of Diving
  • Simplistic Interface Design
  • Doubles as Watch: Dual Time Zones, Alarms, and Calendar
  • Customizable Audio Alarms
  • Surface Interval Countdown and Residual Nitrogen Reset
  • Advanced User Interface for Custom Presets Catered to Divers Needs
  • New Software and Advanced Microprocessor for Improved Battery Life
  • User Replaceable CR2430 Battery
  • Battery Life of 200 Dives
  • New LCD Segmented Display & Backlight for Optimal Visibility
  • Scratch-Resistant Mineral Glass Lens
  • Two-Button System for Easy Menu Navigation
  • Current Depth, Max Depth, Temperature, and Bottom Time Display
  • Visual Ascent and Descent Rates with Optional Alarms
  • Altitude Adjustable Up to 12,100' (3,700 meters)
  • Pre-Dive Planning Features
  • Dive Log Transferrable to Computer: PC or MAC
  • Firmware Updates Available Thru-Dive Link
  • Maximum Operating Depth: 492' (150 meters)
  • Algorithm: RGBM Mares-Wienke
  • Imperial/Metric Display
  • Memory Capacity: 36 Hours
  • Operating Modes: Air, Nitrox and Free-Dive
  • Fresh/Salt Water Measurements
  • 2 Gases Ranging from 21% to 99% O2
  • For Download Interface See Mares PC Interface for Dive Link 2 (SKU: MRSPCDL2)

Mares Smart Wrist Computer Customer Reviews

Review Summary


(based on 26 reviews)


of respondents would recommend this to a friend.

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Most Liked Positive Review


Solid Performer

I have used this watch/computer so far on dive trips to Key Largo and a liveaboard trip. Easily fit over my 3mm wetsuit. Very reliable, good looking and easy to use. I would recommend this computer to anyone looking for a value-priced watch-style dive computer.


Most Liked Negative Review


Not for Cold Water Divers - Tropical Only

This has a small band, small face, and small buttons. This won't fit around a wetsuit and you not able to operate buttons with 3mm gloves on. Tropical dive computer only.

Reviewed by 26 customers


for the price - excellent value


from Bali, Labuan Bajo, Raja Ampat, R4, ID

I bought 2 of these (one for a friend). I have used many DCs since they first came out back in the 80s. This one is a decent solid, EZ to use wrist DC. Sturdy, reliable, cost effective. I work as a traveling DM, Instructor and compressor/watermaker/Nitrox engineer/tech and do a ton of diving. Even If you want to hang one of these on your BC as a backup to a console that have become popular. All good. It has everything needed ( less Tech diving) for sport diving through DM and instructor. EM / PADI 384938


Perfect buy

By Brandon

from Roatan, Bay Islands, HN

Shipping was fast, came in perfect condition, works great, I recommend this to anyone who wants a dive computer. Works good for beginners or advanced divers.


Really useful, works well and looks like a big watch.

By Guest L.


It was my first time using a computer after about 12 dives. I really liked It. I could see clearly underwater all the info It had during the dive. I chose this model because It looks like a watch and It doen't disappoint. It can be used as a watch no problem.


Great dive computer!


Love the watch and love the freediving settings I worked on a lot of different ships and this one worked the best. Only downside is I’m trying to find replacement parts and having issues with the band and few screws for battery and band


Great product!!!

By Eduardo T.

Great product. I was just perfect to buy from Leisure Pro. Highly recommend.


Great computer


from Austin, TX, US

Great computer. Very sleek. Functional and has never failed me. I like how you can change the battery and set various tables depending on how liberal of a diver you are.


Good overall computer.

By Stephanie K.

from Arlington, VA, US

This was my first dive computer. It was very easy to use and I like that it is smaller in size.


Best computer for scuba/freedive

By brent b.

from Kansas City, KS, IT

Let me clarify, best starter computer with a great price for Scuba and freediving. You can buy an additional cable for PC linking. The dive computer seems tough, has a sleep mode, is a great size for a watch, and does what it needs to do. Ive made 40 dives with it and its great.


Great dive computer! Great price!

By Tania H.

from Missoula, MT, US

Love it! Needed a dive computer for awhile now but didn't want to spend a ridiculous amount of money to get a good one. This one is small (easy to wear) and has all the functions I need without being crazy expensive. I use it diving in tropical oceans and even back home in Montana for high altitude dives!


Very Happy

By Clay G.

from Lockney, TX, US

I have been diving with a Suunto Viper for years, I wanted to go to the watch style computer. Dove in Mexico in January and was very happy. It was small enough to wear on the entire trip, even when not diving, which was very handy because I didn't carry my phone around with me out of country. It was simple enough to set up and use. Still very easy to see all important information when under water. Did the job I needed it to and more. I get to dive on one or two trips a year so I am not looking for anything fancy. Fore the price I would definitely buy it again.


Solid Performer

By Kurt W.

from Etters, PA, US

I have used this watch/computer so far on dive trips to Key Largo and a liveaboard trip. Easily fit over my 3mm wetsuit. Very reliable, good looking and easy to use. I would recommend this computer to anyone looking for a value-priced watch-style dive computer.


Perfect for my first dive computer

By harlequeen

from Singapore, Singapore, SG

Spent a lot of time deciding on my first dive computer. These things usually blow up a wallet, but i found the Mares Smart very economical for both the functionality and aesthetics. Design-wise, this is a watch-style dive computer and is super sporty looking and comes in a variety of colors. The dive computer itself is extremely user-friendly and I found myself being able to navigate through the functions quite easily at first without prior reading the dive manual. After reading the manual, i felt like i knew my new dive computer from the inside-out. I used the dive computer on a recent tropical dive trip on both day and night dives and did not report any difficulty using this computer. The stats also gave me everything i needed to log dives.


Great Deal!

By BFSalama

Great computer, so happy to deal with LP


simple and efficient


Got this to replace an older mares nemo. Easy to use 2 button design. Log gives you dive time plus start and stop times. Band fits over thicker wetsuits. Easy to read at depth. Also has a free dive mode


Took me a really long time to decide on a dive watch

By Dan

Great delivery as always!


Questions & Answers

Questions about this item:

Shopper  Why Did You Choose This?
HEATHER S  Looks sleek, good brand
Sara B  I've been wanting a new dive computer and I've researched this to be the best for me.
Jeffrey M  Can you toggle the conservatism of the algorithm?
SHERMAN R  No It is fairly conservative as isEnter
EDWARD M  About "conservatism." I assume you refer to user adjustments to the calculations of depth(=pressure), time, SIT credit, stop times. I know of no such user adjustments nor would I recommend making any. The liability & rism management associated with this type of action would be prohibitive. Always use your best judgement and err on the side of being a SAFE, conservative diver. Budget EXTRA air reserve, reduce BTs, slow the ascents, add time to the deco and safety stops. Know your limits, know your health and condition, state of energy, hydration, level of ability, time, temperature, depth, current, stress level, equipment condition and status, dive buddy/team status wrt these factors as well. The one setting that IS user adjustable is in the EAN mode. You are telling the computer what EAN mix value you are using for THIS dive as well as the partial pressure values. AGAIN. This is not to be taken lightly. ALWAYS plan & dive conservatively. Live to dive again. Eddie M / PADI 384938
Tiin A  How deep do i need to go with MARES SMART, that DEEP STOP is activated?
RYAN W  Not used mine in awhile but normally my dive would start around 15 -20ft and will do a deco stop timer when you come back up to 15ft
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