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 developed in Finland, built on Suunto’s dive heritage – ready for every dive and every diver.

Suunto Nautic S – Specifications

Display & Design

• 1.43″ bright AMOLED color display
• 466 × 466 pixel resolution
• Touchscreen with touch lock
• Always-on display
• Sapphire crystal glass
• Stainless steel bezel
• Glass-fibre reinforced polyamide case
• Elastic textile strap
• 22 mm strap width
• Dimensions: 49.9 × 49.9 × 13.3 mm
• Weight: 81 g
• Water resistance: 100 m
• Tested and designed in Finland

Battery

• Rechargeable Lithium-Ion battery
• Up to 26 days of standby time
• 40–60 hours of dive battery life
• Intelligent charging reminders
• Automatic software updates

Diving Features

• Maximum operating depth: 80 m
• Air and Nitrox support
• Up to 5 gases
• Oxygen range: 21–100%
• Single-gas and multi-gas modes
• Sidemount support
• Gauge mode
• Freediving mode
• Gas switching
• Gas time calculation
• Real-time gas consumption
• No-Decompression (NDL) planner
• Deco planner
• Dive history
• No-fly time
• Safety stop
• Ascent time display
• CNS/OTU (OLF) calculation
• Altitude adjustment
• Customizable dive modes and displays
• Customizable dive alarms
• Gradient Factors personal adjustment
• Stepped and continuous decompression profiles
• Suunto Bühlmann 16 GF decompression model

Wireless Tank Pressure

• Wireless air integration
• Real-time tank pressure readings
• Real-time gas consumption monitoring
• Gas time calculation
• Support for up to two transmitters
• Dual-tank monitoring for sidemount diving
• Tank pressure and gas-time alarms

Freediving

• Freediving depth measurement up to 80 m
• Dive number tracking
• Daily and total freediving history
• Depth notifications
• Depth alarms
• Dive time alarms
• Surface time notifications

GPS & Navigation

• Built-in GPS
• Offline maps
• 32 GB offline map storage
• Dual-band GNSS (L1 + L5)
• GPS, GLONASS, Galileo, QZSS and BeiDou
• Real-time breadcrumb trail
• Route navigation
• Point of Interest (POI) navigation
• ETA (Estimated Time of Arrival)
• GPS track recording and analysis
• Route planning
• Personal route library

Compass

• Digital compass
• Tilt compensation
• Magnetic declination correction
• 1° compass resolution
• 5° compass accuracy
• Digital compass available during scuba diving

Weather & Outdoor Features

• Sunrise and sunset times
• Storm alarm
• Sea-level atmospheric pressure
• Temperature display
• Automatic altitude/barometric profile
• Tide information
• Weather data

Connectivity

• Bluetooth connectivity
• Suunto App compatibility
• Automatic dive log synchronization
• Dive data analysis
• Dive route and condition tracking
• Smartphone notifications
• Over-the-air software updates
• Customizable watch faces
• Predefined replies to incoming messages on Android

General Features

• Customizable watch faces
• Vibration alerts
• Alarm clock
• Dual time
• Stopwatch
• Countdown timer
• Automatic brightness
• Button lock
• Metric and imperial units
• Time and date
• Multilingual interface