Next-generation compact dive computer built for your diving adventures.

• Bright AMOLED display
• Up to 60 hours on a single charge
• Wireless tank pressure
• Single & multi-gas modes, sidemount support
• GPS, offline maps and weather tools
• Suunto app connectivity
• Compatible with Suunto Tank Pod

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 made in Finland, built on Suunto's dive heritage - ready fr every dive and every diver.

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.

• Durable construction tested in Finland
• Bright AMOLED display for superior readability
• Elastic textile strap for comfort and versatility

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.

• Rechargeable battery. Up to 60 hours on a single charge
• Reliable power for multi-day diving trips
• Designed for endurance

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.

• Single & multi-gas modes
• Sidemount compatibility
• Customizable dive views and alarms

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.

• Wireless tank pressure readings
• Dual transmitter support for sidemount diving
• Color-coded visuals for instant clarity

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.

• GPS and offline maps
• Tide, weather and sunrise/sunset data
• Digital compass for precise navigation

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.

• Automatic log sync & data analysis
• Dive route and condition tracking
• Share and relive every dive

What's in the box?

Suunto Nautic S, USB charging cable, Printed user documentation, Scratch guard

Specifications

• Measurements: 49.9 x 49.9 x 13.2 mm / 1.96 x 1.96 x 0.52 "
• Weight: 81 g / 2.86 oz
• Bezel material: Stainless steel
• Glass material: Sapphire crystal
• Case material: Glass fibre reinforced polyamide
• Strap material: Elastic textile
• Strap width: 22 mm
• Customizable watch faces: Yes
• Touch screen lock: Yes
• Touch display: Yes
• Color display: Yes
• Water resistance: 100 m
• Battery indicator: Percentage / icon
• Battery type: Rechargeable lithium-ion
• Time, date: Yes
• Firmware upgradable: Yes
• Alarm clock: Yes
• Dual time: Yes
• Stopwatch timer: Yes
• Countdown timer: Yes
• Vibration alert: Yes
• Backlight: AMOLED
• Languages: EN, CS, DA, DE, EL, ES, FI, FR, IT, JA, KO, NL, NO, PL, PT, RU, SV, TR, HE, ZH*, TH*, ZHTW*
• Always-on display: Yes
• Configurable backlight: Automatic brightness
• Button lock: Yes
• Display size: 1,43''
• Display type: Matrix
• Display resolution: 466 x 466
• Metric and imperial units: Yes
• Automatic daylight saving time: Yes
• Country of Origin: FI
• Intelligent charge reminders: Yes
• Daily use: Standby time mode only: Up to 26 days
• Battery life (dive): 80 - 190h

Compass

• Digital compass: Yes
• Tilt compensation: Yes
• Declination correction: Yes
• Direction scale: Yes
• Needle: Yes
• Compass accuracy: 5°
• Compass resolution: 1°
• Digital compass during scubadiving: Yes

Connectivity

• Connectivity (between devices): Bluetooth
• Send predefined replies to incoming messages from watch: Android only
• Watch software updates from cloud: Yes
• Automatic over the air software updates: Yes
• Smartphone compatibility: Most common models supported

Diving Functions

• Maximum operating depth (EN 13319): 80m
• Nitrox (and air): Yes
• Freedive: Yes
• Gauge: Yes
• Dive time: Yes
• Surface time: Yes
• No fly time: Yes
• Safety Stop: Yes
• Ascent time display: Yes
• CNS/OTU (OLF) calculation: Yes
• Gas time: Yes
• Gas consumption (real-time) : Yes
• Altitude adjustment: 0 - 300 m / 300 -1500 m / 1500 - 3000 m
• Gases: Up to 5 gases (Oxygen 21 - 100%)
• Gas max pO2: Manual 1.0 - 1.6
• Timer: Yes
• No-decompression planner: Yes
• Dive history: Lifetime
• Decompression model: Suunto Bühlmann 16 GF
• Wireless air integration: Yes
• Customizable dive modes and displays: Yes
• Personal adjustment: Gradient factors low (10-100) and high (50-100)
• Decompression profile options: Continuous and stepped
• Gas switching: Yes
• Helium: Yes
• Deco planner: Yes

Dive Alarms and Notifications

• Too fast ascent: Yes
• Decompression ceiling violation: Yes
• CNS/OTU (OLF) 80% / 100%: Yes
• Switch gas (better gas is available): Yes
• Gas time: Yes
• Dive time: Yes
• High pO2 (hyperoxic): Yes
• Maximum depth: Yes
• Tank pressure: Yes
• NDL: Yes