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The Suunto Nautic S, designed for scuba and free divers, offers similar functionality in a more compact wrist-sized format. It features AMOLED display technology and an intuitive interface in a more compact, lightweight design for divers who prefer a smaller device. Compared to the Suunto Ocean all-around sports, outdoor, and dive watch, the Nautic S is a single-purpose dive computer that focuses entirely on underwater functionality, omitting smartwatch and sports features, such as optical heart-rate tracking.

Like its larger counterpart, the Nautic S includes core diving features for both recreational and technical diving, including wireless tank pressure support, audio and vibration alarms, dive planning, compass, and sidemount support. It is ideal for freediving, snorkeling, and mermaiding, with specific features designed for these sports. The Nautic S also features the Bühlmann 16 dive algorithm with a range of various algorithm settings.

The Nautic S is water-resistant to 100 meters and rated for dives up to 80 meters. It also has an extensive battery life, up to 60 hours of non-stop diving. The device introduces a graphite gray color and an elastic textile strap for improved comfort. It also supports in-device customization of dive views and is compatible with Suunto’s existing accessories, including the Tank POD, heart rate belt, and 22mm Ocean and outdoor straps.