The Suunto Nautic S is a watch-style dive computer designed for recreational and technical divers seeking advanced instrumentation in a streamlined format. It features a high‑contrast AMOLED display, an elastic textile strap suited for wear over exposure suits, and a rugged build tested for demanding environments.

The dive modes support single‑gas, multi‑gas (including Nitrox/trimix), and sidemount configurations, with customizable views and clear user interface controls. Wireless tank pressure monitoring is supported via dual transmitters, enabling sidemount or twin‑tank setups with real‑time gas‑capacity tracking. The Nautic S also provides GPS with offline map access, tide and weather data, and a 3D digital compass for navigation both under and above water.

Battery endurance delivers up to 60 hours of dive time on a single charge—making it suitable for multi‑day trips or remote operations. The device is targeted at divers who need a wrist instrument that can serve as both a primary dive computer and a tool for surface planning and navigation. It meets the needs of users seeking professional‑level features in a compact, wearable format rather than simply a strap or accessory update.