Citizen Promaster x Eco-Drive ft. Marine Series Men Casual Hexagon Diver 200m Water Resistant Watch BN0227-17X BN0227 BN-0227 Experience the ultimate in diving watches with the latest Promaster 200m Diver, featuring a durable Super Titanium case, luminous dial, and dark colour scheme inspired by street culture. Powered by light with Eco-Drive Technology, this ISO Compliant 6425 watch is designed for the modern diver. Caliber Number / Movement E168 (solar Eco-Drive) Power Reserve / Accuracy Approximately 6 months when fully charged (+/-15 seconds per month) Crystal Mineral crystal Luminous Luminous on dial, hands and indexes Case & Band Material Super titanium (Duratect MRK) case with polyurethane rubber strap Water Resistance 200m / 660ft diver’s Case Size Diameter: 46.5 mm Other Specifications Citizen Promaster x Eco-Drive ft. Marine Series Unidirectional rotating bezel Screw-down crown Screw case back Date display Insufficient charge warning function Overcharge prevention function Regular timekeeping (analog display)