Suunto Nautic S Dive Computer

Next-Generation Compact Dive Computer Built for Every Underwater Adventure

The Suunto Nautic S Dive Computer is designed for divers and freedivers who want reliability, clarity, and control on every dive. Compact yet powerful, Nautic S combines advanced dive technology, everyday wearability, and trusted Finnish craftsmanship in a single, wrist-friendly design that grows with you - from your first open-water dives to advanced multi-gas and sidemount adventures.

Designed and made in Finland and built on Suunto’s long dive heritage, the Nautic S is ready for every dive and every diver.

Built to Endure – Compact Design, Proven Reliability

Reliability is everything underwater. Suunto Nautic S is engineered to perform dive after dive in demanding conditions. Its durable, pressure-resistant construction and bright AMOLED display ensure excellent readability at depth, while the elastic textile strap offers outstanding comfort and flexibility over wetsuits and drysuits alike.

Whether you’re exploring reefs, training freediving techniques, or planning your next expedition, Nautic S is built to keep up - wherever your diving takes you.

Key Highlights:

• Durable construction tested in Finland
• Bright AMOLED display for superior underwater readability
• Elastic textile strap for comfort, flexibility, and versatility
• 100 m water resistance

Power That Lasts Beyond the Surface

When your adventures span multiple dives and days, endurance matters. Suunto Nautic S delivers up to 40–60 hours of dive time on a single charge, making it ideal for long dive weekends and remote trips. In daily use, it can last up to 26 days in standby mode, keeping you ready between dives.

• Rechargeable lithium-ion battery
• Up to 40–60 hours of dive time
• Reliable power for multi-day dive trips
• Intelligent charge reminders

Made for Every Dive and Every Diver

From beginner courses to advanced technical profiles, Suunto Nautic S adapts to your diving journey. It supports single- and multi-gas diving, sidemount configurations, and customisable dive views, allowing you to see exactly what matters most—when it matters most.

Easy to use yet highly capable, Nautic S helps you stay focused on what diving is really about: freedom underwater.

Dive Capabilities:

• Air, Nitrox, Freedive and Gauge modes
• Up to 5 gases (O₂ 21–100%)
• Gas switching and deco planner
• Suunto Bühlmann 16 GF decompression model
• Customisable dive modes, displays and alarms
• Personal gradient factor adjustment

Real-Time Awareness with Wireless Precision

Stay informed throughout every dive with wireless air integration. Suunto Nautic S displays real-time tank pressure and gas consumption directly on your wrist. With dual transmitter support, sidemount divers can easily monitor both tanks, while clear, colour-coded visuals provide instant awareness at a glance.

• Wireless tank pressure readings
• Dual transmitter support for sidemount diving
• Real-time gas time and consumption
• Colour-coded visuals for instant clarity
• Compatible with Suunto Tank Pod

Awareness Below and Above the Surface

Suunto Nautic S combines diving intelligence with powerful outdoor tools to keep you oriented before, during, and after every dive. Built-in GPS, offline maps, tide and weather data, and sunrise/sunset times help you plan safely, while the digital compass ensures confident navigation in all conditions.

• GPS and offline maps
• Tide, weather, and sunrise/sunset information
• Digital compass with tilt compensation
• Navigation support above and below the surface

Smarter Connections with the Suunto App

After the dive, your experience continues in the Suunto App. Automatically sync your dive logs, review detailed dive data, track routes and conditions, and relive every underwater moment. From dive planning to sharing your adventures, Nautic S turns every dive into part of a bigger story—yours.

• Automatic log sync and data analysis
• Dive route and condition tracking
• Notes, buddy info and dive history
• Easy sharing and long-term tracking

Diving Features:

Key Specifications

Construction & Display:

• Bezel: Stainless steel
• Glass: Sapphire crystal
• Case: Glass fibre reinforced polyamide
• Display: 1.43” AMOLED, 466 × 466 resolution
• Always-on display with automatic brightness

Size & Weight:

• Dimensions: 49.9 × 49.9 × 13.2 mm
• Weight: 81 g
• Strap: Elastic textile, 22 mm width

Battery:

• Rechargeable lithium-ion
• Dive mode: 40–60 h
• Daily use (standby): Up to 26 days

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

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

Suunto Nautic S vs Suunto Nautic

The primary differences between the Suunto Nautic and the Suunto Nautic S are their physical size, weight, and battery life, with the Nautic S being a more compact, streamlined version of the full-featured Nautic. The core dive and navigation features are largely shared between the two models. 

What’s in the Box:

• Suunto Nautic S Dive Computer
• USB charging cable
• Printed user documentation
• Scratch guard

Why Choose the Suunto Nautic S?

The Suunto Nautic S Dive Computer delivers a rare balance of compact size, serious dive performance, and everyday usability. With a bright AMOLED display, long battery life, wireless air integration, and powerful navigation tools, it’s a dive computer built to support your skills today—and grow with your ambitions tomorrow.

VIDEO CONSULTATIONS NOW AVAILABLE: We're bringing our highly experienced and knowledgeable staff to you with live-streaming consultations. If you need help choosing the right bit of kit or the best size before buying or even advice on whether a purchased item is the right fit for you then book yourself a consultation appointment.