Citizen Promaster Eco-Drive BJ8050-08E Diver's 300 m (tool watch suitable for mixed breathing gas diving) with aftermarket bracelet adapters on an aftermarket stainless steel "24 mm Shark Mesh" mesh bracelet. The B873 caliber Eco-Drive movement used in this watch can run for 180 days on its secondary power cell before it needs light exposure for recharging. The movement has a ± 15 seconds per 30 days accuracy specification (within a normal temperature range of 5°C/41°F to 35°C/95°F).
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