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Suunto Nautic S
An easy-to-use dive computer with interchangeable straps that fit your style. Made in Finland.
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Designed for every dive
Suunto Nautic S is built for divers and freedivers who embrace every underwater moment. Compact yet powerful, it combines performance, style and reliability in a design that fits perfectly on your wrist - from first dives to advanced adventures.
With a bright AMOLED display, intuitive controls and trusted Suunto craftsmanship, Nautic S brings together the best of diving technology and everyday usability.
Designed and built in Finland, Nautic reflects Suunto’s decades of dive expertise — ready for every dive, everywhere.
Compact design, made to endure
Reliability is everything underwater. Suunto Nautic S is engineered to perform in demanding conditions, dive after dive.
Its durable, pressure-resistant build and bright AMOLED display ensure clear visibility and confidence on each dive. The new elastic textile strap offers superior comfort and flexibility, adapting to every exposure suit and diving condition.
Whether you’re exploring reefs, practicing freediving, or preparing for your next adventure, Nautic S is designed to keep up wherever your dive takes you.
Power that lasts beyond the surface
When your adventure extends across multiple dives, endurance matters. Suunto Nautic S delivers up to 60 hours of dive time on a single charge - more than enough for a long dive weekend or a remote expedition.
Made for every dive and every diver
From your first open-water course to advanced adventures, Suunto Nautic S grows with you and your diving hobby.
It supports single- and multi-gas modes, sidemount configurations and customizable dive views letting you see exactly what you need, when you need it.
Easy to use yet powerful, Nautic S keeps you in control and lets you focus on what diving is truly about: freedom underwater.
Real-time awareness, wireless precision
Stay informed every moment. Wireless tank pressure support provides real-time gas readings directly on your wrist.
Dual transmitter support enables sidemount divers to follow both tanks with ease, while clear, color-coded visuals keep you instantly aware throughout the dive.
Awareness below and above the surface
Plan, time and execute every dive with confidence. Suunto Nautic S combines outdoor tools and navigation data for safety and peace of mind wherever you dive.
Built-in GPS, offline maps, tide- and weather data with sunrise- / sunset times help you prepare for your dives and transitions. Together with the digital compass, these tools keep you oriented in all conditions.
Built-in GPS, offline maps, tide- and weather data with sunrise- / sunset times help you prepare for your dives and transitions. Together with the digital compass, these tools keep you oriented in all conditions.
Smarter connection, deeper reflection
After each dive, Suunto app extends your experience. Sync your logs automatically, review detailed data, and relive every underwater route with notes, buddy info and conditions.
From dive planning to sharing your best moments, Nautic S keeps every adventure part of a bigger story: yours.
Explore more with the Suunto app
Specifications
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Measurements49.9 x 49.9 x 13.3 mm / 1.96 x 1.96 x 0.52 "
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Weight81 g
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Bezel material:Stainless steel
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Glass material:Sapphire crystal
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Case material:Glass fibre reinforced polyamide
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Strap material:Silicone
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Country of manufactureFI
Technical specifications
GENERAL
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Bezel material:Stainless steel
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Glass material:Sapphire crystal
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Case material:Glass fibre reinforced polyamide
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Watch diameter:49,9 mm
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Watch thickness:13,2mm
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Strap material:Elastic textile
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Weight81 g
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Customizable watch faces✔
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Touch screen lock✔
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Touch display✔
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Color display✔
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Water resistance100 m
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Automatic daylight saving time✔
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Vibration alert✔
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Battery typeRechargeable lithium-ion
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Firmware upgradable✔
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Time, date✔
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Alarm clock✔
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Dual time✔
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Stopwatch timer✔
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Countdown timer✔
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Always-on display✔
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Configurable backlightAutomatic brightness
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Button lock✔
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BacklightAMOLED
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LanguagesCS, DA, DE, EL, EN, ES, FI, FR, HE, IT, JA, KO, NL, NO, PL, PT, RU, SV, TR, ZH*, TH*, ZHTW*
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Display size1,43''
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Display typeMatrix
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Display resolution466 x 466
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Battery indicatorPercentage / icon
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Metric and imperial units✔
MUSIC
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Control your music with watch✔
CONNECTIVITY
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Smartphone compatibilityMost common models supported, check here for detailed compatibility list
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Connectivity (between devices)Bluetooth
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Watch software updates from cloud✔
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Automatic over the air software updates✔
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Compatible with Suunto app✔
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Send predefined answers to incoming messages (Android)✔
COMPASS
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Digital compass✔
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Tilt compensation✔
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Declination correction✔
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Direction scale✔
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Needle✔
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Compass accuracy5°
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Compass resolution1°
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Digital compass during scubadiving✔
PHYSICAL SPECIFICATIONS
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Operating temperature-20° C to +55° C / -5° F to +130° F
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Storage temperature-20° C to +55° C / -5° F to +130° F
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Recommended charging temperature0° C to +35° C / +32° F to +95° F
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Operating temperature in dive mode0° C to +40° C / +32° F to +104° F
BATTERY LIFE
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Intelligent charge reminders✔
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Daily use: Standby time mode onlyUp to 26 days
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Battery life (dive)40 - 60h
OUTDOOR FUNCTIONS
GPS TRACKING & NAVIGATION
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Offline maps on watch✔
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Offline map storage size32 GB
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Satellite systemsGPS, GLONASS, GALILEO, QZSS, BEIDOU
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GNSS frequency supportDual band (L1+L5)
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GPS recording rateBest, Good, OK, Low
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Zoom levels in navigation✔
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Breadcrumb trail in real time✔
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Outdoor terrain and satellite maps✔
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Global heatmaps for 20 sports✔
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Route planning with heatmaps✔
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Personal route library synced to watch✔
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Snap to route✔
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Point of Interest (POI) navigation✔
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ETA (estimated time of arrival)✔
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GPS track analysis✔
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Track logging, viewing and sharing✔
WEATHER
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Sunrise/sunset times✔
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Storm alarm✔
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Sea level pressure✔
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Automatic alti/baro profile✔
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Temperature✔
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Temperature display range-20° C to +55° C / -5° F to +130° F
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Temperature resolution1° C / 1.5° F
TRAINING FUNCTIONS
HEART RATE
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Heart rate belt compatibilityBluetooth HR belts
SPORT EXPERTISE
SPORT MODES
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Customizable sport modes and displaysCustomizable dive
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Graphical displays in sport modesIn dive
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Pre-installed sport modes on watchDive modes
DIVING FUNCTIONS
FREEDIVING
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Depth meter for freedive80m
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Freedive number✔
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Freedive day history✔
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Freedive total history✔
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Depth notify✔
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Dive time alarm✔
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Depth alarm✔
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Surface time notify✔
BASIC
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Maximum operating depth (EN 13319)80m
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Nitrox (and air)✔
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Freedive✔
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Gauge✔
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Dive time✔
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Surface time✔
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No fly time✔
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Safety Stop✔
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Ascent time display✔
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CNS/OTU (OLF) calculation✔
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Gas time✔
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Gas consumption (real-time)✔
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Altitude adjustment0 - 300 m / 300 -1500 m / 1500 - 3000 m
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Gasesup to 5 gases (Oxygen 21 - 100%)
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Gas max pO2Manual 1.0 - 1.6
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Timer✔
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No-decompression planner✔
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Dive history✔
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Decompression modelSuunto Bühlmann 16 GF
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Wireless air integration✔
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Customizable dive modes and displays✔
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Personal adjustmentGradient factors low (10-100) and high (50-100)
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Decompression profile optionsStepped and continuous
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Dive historylifetime
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Gas switching✔
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Deco planner✔
DIVE ALARMS AND NOTIFICATIONS
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Too fast ascent✔
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Decompression ceiling violation✔
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CNS/OTU (OLF) 80% / 100%✔
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Switch gas (better gas is available)✔
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Dive time✔
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Gas time✔
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High pO2 (hyperoxic)✔
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Maximum depth✔
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Tank pressure✔
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NDL✔
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Support for Suunto Nautic S
Find user guides, how to videos, FAQs, tutorial articles and detailed support information for your Suunto dive watch.