Shearwater Tern Wrist Dive Computer
By Shearwater Research | Canadian Engineering | Watch-Style 1.3" AMOLED Dive Computer
Engineered for sport divers who demand world-class performance in a streamlined profile, the Shearwater Tern Wrist Dive Computer brings Shearwater's industry-leading technology to a compact watch-style form factor. Designed and built in Canada, the Tern combines a brilliant 1.3-inch high-contrast AMOLED display with intuitive two-button navigation. Whether you are exploring cold-water kelp forests in British Columbia, wreck diving in the Great Lakes, or traveling to tropical reefs, the Tern offers unmatched clarity, precision decompression tracking, and daily versatility.
World-Class Canadian Innovation & AMOLED Clarity
Building on the proven success of the Peregrine and Teric platforms, the Tern packs Shearwater’s trusted Bühlmann ZHL-16C decompression algorithm into a lightweight 100g housing. Featuring wireless inductive charging and Bluetooth syncing with the Shearwater Cloud app, it is the ultimate everyday sport dive computer for Canadian divers.
Key Features & Technical Capabilities
- Best-in-Class AMOLED Screen: Ultra-bright 1.3-inch high-resolution display with toughened glass provides crystal-clear visibility under sunlight, murky waters, or night conditions.
- 5 Versatile Diving Modes: Full support for Air, Single-Gas Nitrox, 3-Gas Nitrox, Gauge, and dedicated Freediving modes.
- Inductive Wireless Charging: Long-lasting internal lithium-ion battery delivers up to 20 hours of active dive time per charge with convenient wireless pad charging.
- Trusted Decompression Science: Employs the industry-standard Bühlmann ZHL-16C algorithm with user-configurable Gradient Factors for customized safety margins.
- Seamless Cloud Connectivity: Integrated Bluetooth Smart lets you transfer dive logs (up to 500 dives storage), update firmware, and analyze graphs via the Shearwater Cloud app.
- Rugged Canadian Build: Depth-rated to 120 metres (394 feet) and fully compliant with strict EN standards for dive computer reliability.
Technical Specifications
| Manufacturer | Shearwater Research Inc. (Richmond, BC, Canada) |
| Part Number / Model | 15301 / Tern |
| Display Type & Lens | 1.3" AMOLED Display with Toughened Glass Lens |
| Depth Rating & Weight | 120 m / 394 ft | 100 Grams |
| Decompression Model | Bühlmann ZHL-16C with Gradient Factors |
| Battery Life | Rechargeable Li-ion (Up to 20 hours of dive time per charge) |
| Log Memory & Wireless | 500 Dives Memory | Bluetooth Smart & Wireless Charging |
Explore the Shearwater Ecosystem: Browse our full Shearwater Research Collection for Swift transmitters, Tern TX air-integrated units, Peregrine computers, and genuine accessories.
Canada-Wide Shipping & Vancouver Showroom: Order online for fast, insured shipping anywhere across Canada—or visit International Diving Centre at 2865 West Broadway in Vancouver to test the Tern's AMOLED screen in person!
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