Suunto Nautic S Dive Computer

The Suunto Nautic S is a compact, powerful and easy-to-use next-generation dive computer designed for scuba divers, freedivers and snorkellers who want reliable performance, advanced dive features and everyday usability in one stylish wrist-mounted device. Built with Suuntos trusted Finnish craftsmanship, the Nautic S combines a bright AMOLED display, durable premium materials, wireless tank pressure support, GPS navigation, offline maps and Suunto App connectivity.

Designed for every dive, from beginner open-water sessions to advanced multi-gas and sidemount adventures, the Nautic S delivers clear dive data, long-lasting battery performance and smart tools for planning, navigation and post-dive analysis.

Key Features

Bright 1.43″ AMOLED Display
A vivid colour AMOLED display with 466 x 466 resolution provides excellent readability underwater and on the surface. The always-on display, automatic brightness and configurable backlight make important information easy to view in changing light conditions.

Durable Premium Construction
Built with a stainless steel bezel, sapphire crystal glass and glass fibre reinforced polyamide case, the Nautic S is engineered for strength, durability and reliability in demanding dive environments.

Compact & Comfortable Design
With a compact case size of 49.9 x 49.9 x 13.3 mm and a weight of only 81g, the Nautic S sits comfortably on the wrist. The 22 mm elastic textile strap offers excellent comfort and flexibility, adapting easily to exposure suits and different diving conditions.

Up to 60 Hours Dive Battery Life
The rechargeable lithium-ion battery delivers 4060 hours of dive battery life and up to 26 days in daily standby mode, making it suitable for long dive weekends, travel and multi-day adventures.

Wireless Tank Pressure & Gas Monitoring
Wireless air integration allows real-time tank pressure readings directly on your wrist. The Nautic S also supports real-time gas consumption, gas time and tank pressure alerts for better awareness underwater.

Single & Multi-Gas Dive Modes
Supports air, nitrox and up to 5 gases, with oxygen settings from 21100% and manual max pO2 adjustment from 1.01.6. Gas switching and better-gas notifications help support more advanced dive profiles.

Sidemount & Dual Transmitter Support
Designed to support sidemount configurations, allowing divers to monitor multiple tanks with clear, colour-coded information.

Suunto Bhlmann 16 GF Decompression Model
Uses the Suunto Bhlmann 16 GF decompression model with continuous and stepped decompression profile options. Gradient factors can be adjusted for personalised dive planning and safety preferences.

Scuba, Freedive & Snorkelling Support
Suitable for scuba diving, freediving and snorkelling, with dedicated dive modes, freedive history, depth meter, surface time notifications and dive alarms.

GPS, Offline Maps & Navigation Tools
Built-in GPS with dual-band GNSS support helps with accurate route tracking and surface navigation. Offline maps, breadcrumb trails, POI navigation, route planning and track analysis make it useful before and after the dive.

Digital Compass for Diving
Includes a digital compass that works during scuba diving, with tilt compensation, declination correction, direction scale and 1 resolution for precise underwater navigation.

Weather, Tide & Outdoor Tools
Useful outdoor features include sunrise/sunset times, storm alarm, sea level pressure and temperature tracking, helping divers plan safer and better-timed trips.

Smart Connectivity
Bluetooth connectivity allows pairing with the Suunto App for automatic log sync, dive data analysis, software updates, notifications and sharing your dive adventures.

Product Specifications

Product: Suunto Nautic S Dive Computer
Country of Manufacture: Finland
Measurements: 49.9 x 49.9 x 13.3 mm
Weight: 81g
Bezel Material: Stainless steel
Glass Material: Sapphire crystal
Case Material: Glass fibre reinforced polyamide
Strap Material: Elastic textile
Strap Width: 22 mm
Water Resistance: 100 m
Maximum Operating Depth: 80 m, EN 13319

Display & Interface

Display Size: 1.43″
Display Resolution: 466 x 466
Display Type: Matrix colour display
Backlight: AMOLED
Configurable Backlight: Automatic brightness
Always-On Display: Yes
Touch Display: Yes
Touch Screen Lock: Yes
Button Lock: Yes
Vibration Alert: Yes
Customisable Watch Faces: Yes
Metric & Imperial Units: Yes
Battery Indicator: Percentage / icon

Battery & Charging

Battery Type: Rechargeable lithium-ion
Battery Life in Dive Mode: 4060 hours
Daily Use Standby Time: Up to 26 days
Intelligent Charge Reminders: Yes
Recommended Charging Temperature: 0C to +35C
Operating Temperature: -20C to +55C
Operating Temperature in Dive Mode: 0C to +40C
Storage Temperature: -20C to +55C

Dive Features

Dive Modes: Scuba dive, freedive, snorkelling
Customisable Dive Modes & Displays: Yes
Nitrox & Air: Yes
Gases: Up to 5 gases, oxygen 21100%
Gas Switching: Yes
Gas Max pO2: Manual 1.01.6
Gas Time: Yes
Gas Consumption: Real-time
Wireless Air Integration: Yes
Tank Pressure: Yes
Gauge Mode: Yes
Freedive Mode: Yes
Depth Meter for Freedive: 80 m
Dive History: Lifetime
Freedive Day History: Yes
Freedive Number: Yes
Freedive Total History: Yes
Surface Time: Yes
Surface Time Notify: Yes
Dive Time: Yes
Timer: Yes
No-Fly Time: Yes
No-Decompression Planner: Yes
Deco Planner: Yes
Safety Stop: Yes
Ascent Time Display: Yes
Altitude Adjustment: 0300 m / 3001500 m / 15003000 m

Decompression & Safety

Decompression Model: Suunto Bhlmann 16 GF
Decompression Profile Options: Continuous and stepped
Personal Adjustment: Gradient factors low 10100 and high 50100
CNS/OTU Calculation: Yes
CNS/OTU OLF 80% / 100% Alerts: Yes
No-Decompression Limit Alert: Yes
Decompression Ceiling Violation Alert: Yes
High pO2 Alert: Yes
Too Fast Ascent Alert: Yes
Maximum Depth Alert: Yes
Depth Alarm: Yes
Depth Notify: Yes
Dive Time Alarm: Yes
Gas Time Alert: Yes
Tank Pressure Alert: Yes
Switch Gas Alert: Yes

Navigation & Outdoor Features

Digital Compass: Yes
Digital Compass During Scuba Diving: Yes
Compass Accuracy: 5
Compass Resolution: 1
Tilt Compensation: Yes
Declination Correction: Yes
Direction Scale & Needle: Yes
Satellite Systems: GPS, GLONASS, GALILEO, QZSS, BEIDOU
GNSS Frequency Support: Dual band L1 + L5
Simultaneous Satellite Systems: 4
Max Connected Satellites: 32
Offline Maps on Watch: Yes
Offline Map Storage: 32 GB
Outdoor Terrain & Satellite Maps: Yes
Breadcrumb Trail in Real Time: Yes
Route Planning with Heatmaps: Yes
Global Heatmaps: 20 sports
Personal Route Library Synced to Watch: Yes
Snap to Route: Yes
Point of Interest Navigation: Yes
GPS Track Analysis: Yes
Track Logging, Viewing & Sharing: Yes
ETA: Yes
Sunrise/Sunset Times: Yes
Storm Alarm: Yes
Sea Level Pressure: Yes
Temperature: Yes
Temperature Display Range: -20C to +55C
Temperature Resolution: 1C

Connectivity & Smart Features

Connectivity: Bluetooth
Suunto App Connectivity: Yes
Phone Notifications on Watch: Yes
Cloud Software Updates: Yes
Automatic Over-the-Air Updates: Yes
Firmware Upgradable: Yes
Smartphone Compatibility: Most common models supported
Heart Rate Belt Compatibility: Bluetooth HR belts
Customisable Sport Modes & Displays: Yes
Pre-Installed Sport Modes: Dive modes

General Watch Functions

Time & Date: Yes
Alarm Clock: Yes
Dual Time: Yes
Countdown Timer: Yes
Stopwatch Timer: Yes
Automatic Daylight Saving Time: Yes
Languages: CS, DA, DE, EL, EN, ES, FI, FR, HE, IT, JA, KO, NL, NO, PL, PT, RU, SV, TR, ZH, TH, ZHTW