The Shearwater Teric and Perdix 3 both support technical diving, wireless air integration and an electronic compass. The main choice is between the Teric's watch format and the Perdix 3's larger display and full-size case.
- Display: Both use AMOLED screens. The Teric has a 1.39-inch display with a sapphire window; the Perdix 3 has a 2.4-inch display with an aluminosilicate glass window. Large-text layouts are available on both.
- Controls and case: The Teric has four buttons and a stainless steel bezel. The Perdix 3 has two titanium piezo buttons and a titanium bezel.
- Battery: The Teric has an internal rechargeable battery with wireless charging. The Perdix 3 uses a user-replaceable AA battery.
- Everyday wear: The Teric includes watch faces and uses standard 22 mm watch straps, making it suitable for use as a daily timepiece.
Both use Bühlmann ZHL-16C with configurable Gradient Factors. DCIEM is not currently available for the Perdix 3. Both support the optional Avelo Mode upgrade when used with the required Avelo equipment and compatible firmware.
Choose the Shearwater Perdix for a larger screen, or the Shearwater Teric for a compact watch format.
