Shearwater Tern Dive Computer

Shearwater Tern Dive Computer

Compact Wrist Dive Computer for Recreational and Adventure Divers

The Shearwater Tern is a sleek, lightweight wrist-mounted dive computer designed for recreational and sport divers who want simplicity, clarity, and reliability in a compact format. Featuring a bright 1.3” AMOLED color display, user-friendly interface, and Shearwater’s proven Bühlmann ZHL-16C algorithm, the Tern delivers everything you need for safe, enjoyable diving—whether you're diving air or nitrox.

Despite its compact size, the Tern is built tough with a stainless steel bezel, wireless charging, and Bluetooth connectivity for syncing logs and updates via the Shearwater Cloud app. With support for up to 3 nitrox gases, full decompression, and optional bungee mounting, it’s perfect for both beginners and experienced divers looking for a compact, no-compromise dive computer.

Main Features

• Compact & Lightweight – Ideal for travel and everyday diving
• 1.3” AMOLED Color Display – High contrast, crisp visibility in any conditions
• Air, Nitrox, 3-Gas Nitrox Modes – Full decompression support
• Bühlmann ZHL-16C Algorithm – With user-adjustable gradient factors
• Wireless Charging – Dock included
• Bluetooth Connectivity – Seamless log syncing via Shearwater Cloud
• 316 Stainless Steel Bezel – Rugged and corrosion-resistant
• Vibration and Visual Alerts – Customizable safety notifications

Technical Specifications

• Screen: 1.3" AMOLED (full color)
• Dive Modes: Air, Nitrox, 3-Gas Nitrox, Gauge
• Gas Mixes: Up to 3 (up to 100% O₂)
• Algorithm: Bühlmann ZHL-16C with GF settings
• Depth Rating: 120 m / 394 ft
• Battery: Rechargeable, wireless charging
• Logbook Memory: 200+ hours
• Connectivity: Bluetooth Smart
• Alerts: Vibration and visual
• Mounting: Standard wrist strap and optional bungee
• Strap Width: 22 mm

The Shearwater Tern delivers Shearwater's legendary performance in a compact, stylish, and easy-to-use design tailored for recreational and adventure divers. With its brilliant AMOLED screen, full decompression capability, and intuitive interface, the Tern is the perfect dive companion for those who want powerful features in a streamlined, travel-ready package. Dive confidently—dive with Tern.