Shearwater Tern

Our most compact dive computer with brilliant AMOLED display

The Shearwater Tern and Tern TX models redefine diving convenience and versatility for sport divers. Incorporating a compact design with advanced features, these dive computers, especially the Tern TX with its transmitter-enabled capability, provide unparalleled functionality. Their enhanced visibility, user-friendly interface, and compatibility with multiple diving modes, make them an essential tool for divers seeking reliability and ease of use.

The Tern and Tern TX feature a 1.3” AMOLED screen with clear visibility in various lighting conditions. Their watch-style design and high-resolution display ensure easy access to vital diving data.

The Tern TX stands out with its ability to connect to up to four Swift transmitters and includes a digital compass. Both models support Air, Nitrox, 3 Gas Nitrox, Gauge, and Freedive modes.

Designed and Built in Canada and depth-rated to 120 meters, these computers meet EN standards for dive compliance. They come with Shearwater’s new Remora™ quick connect bands and webbing straps, offering easy customization with various strap lengths and colors.

Features

• Decompression Computer
• Air Integrated: Tern TX model only
• Connects up to 4 Transmitters (Optional): Tern TX model only
• 3 axis, tilt compensated, digital compass: Tern TX model only
• Bluetooth® wireless technology
• Switchable vibration alerts
• Upgradeable Firmware
• 316 Stainless Bezel & Buttons
• 22mm Strap Size with quick connect
• (one long and one short strap included)
• Ballistic Nylon Polymer Case

Modes

• Air: Simple air mode for everyday diving
• Nitrox: Single gas Nitrox up to 40%
• 3 Gas Nitrox: 3 Gas switchable underwater with full decompression support. Up to 100% O2.
• Gauge: Bottom timer with stop watch and dive logging
• Freediving: Configurable sampling rates and alarms

Specifications

• Screen Resolution: 360 x 360
• Display Type: Full Colour AMOLEDScreen Brightness: Minimum 300 nits, Typical at 350 nits
• Display Size: 3.30cm / 1.3"
• Toughened Glass Window: Yes
• Battery Type: Rechargeable Li-ion Battery Factory Replaceable
• Battery Life: up to 20 Hours (Medium Brightness) / up to 6 months (Standby)
• Wireless Charging Station: Yes
• Number of Gases: 3 OC
• Depth Rating: 120m / 394ft
• Dive Log Capacity (10 second rate): 500 Hours
• Size (Dive Computer): Diameter - 50mm
• Thickness: 16mm
• Weight (Dive Computer): 100g