tern

Our most compact dive computer redefines diving convenience and versatility for sport divers. Incorporating a compact design with advanced features, the TERN provides an unparalleled combination of functionality and value. Its enhanced visibility, user-friendly interface, and compatibility with multiple diving modes, make it an essential tool for divers seeking reliability and ease of use.

Designed and Built in Canada and depth-rated to 120 meters.

R14 900

SKU: 15301
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Modes

  • Air
  • Nitrox
  • 3 Gas Nitrox
  • Gauge
  • Freediving

Features

  • Decompression computer
  • Bluetooth wireless technology
  • Switchable vibration alerts
  • Upgradeable firmware
  • 316 Stainless bezel and buttons
  • 22mm strap size with quick connect (one long and one short strap included)
  • Ballistic nylon polymer case
  • Screen Resolution: 360 x 360
  • Display Type: Full colour AMOLED
  • Screen Brightness: Minimum 300 nits. Typical at 350 nits
  • Display Size: 3.3cm / 1.3″
  • Toughened Glass Window: Yes
  • Battery Type: Internal Rechargeable Li-ion battery
  • Battery Capacity (approx): 1.33 Wh
  • 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
  • Size (Dive Computer): Thickness – 16mm
  • Weight (Dive Computer): 100g
  • TERN dive computer
  • Wireless charging station with USB-C cable
  • Inspection Checklist Card
  • Product Info Guide
  • Screen Protector
  • Remora band quick release installed on the computer
  • 1 short Remora band for smaller wrists

Frequently Asked

If you don’t find what you need on the site our team is here to help – just reach out.

The Tern is designed for sport and light technical diving. If you anticipate progressing to technical diving in the future, you should consider the Teric or Perdix 2, which offer advanced functionality. Or, if interested in CCR diving specifically, our NERD2 and Petrel 3 are compatible with various rebreather models. 

The Tern offers basic watch functionality and great looks, which is perfect for the surface interval and diving weekends. We do not include hybrid smart watch functions. Shearwater makes dedicated dive computers which are powerful, simple, and reliable. We believe that reliable and intuitive instrumentation underwater is critical to your enjoyment and safety. The underwater environment is not a place to read manuals or remember complex button pushes.

No. The Tern comes with a powerful customizable vibration alert system.

The Tern features an alkali-aluminosilicate toughened glass lens that is resistant to scratches and boasts excellent transparency and impact resistance. Nevertheless, we recommend using a screen protector to maintain the Tern’s pristine appearance through all your adventures.

Yes, the Tern comes with a screen protector fitted from the factory. To avoid any confusion, an additional film protector is included, bearing the notice ‘This dive computer comes with a screen protector preinstalled, which should be removed before use.