Proof that a dive watch can be fun & functional with the Citizen® ISO-compliant Promaster Professional Diver. With Eco-Drive technology, it is powered by light and never needs a battery, so you'll never need to open your caseback making sure your watch maintains it factory sealed and water resistant. Featuring our Eco-Drive technology - powered by light, any light. Never needs a battery. Caliber number E168.

Caliber: E168

Movement: Eco-Drive

Technology: Powered by any light source, continuously and sustainably, eliminating the need to replace watch batteries.

Case Width (mm): 44

Crystal: Anti-Reflective Mineral Crystal

Construction: Impact and shatter resistant anti-reflective coating deflects light

Model: BN0150-28E, 8/10/2017