Citizen Men's BL8002-59A Eco-Drive Calibre 8700 Watch Light powered Eco-Drive Japanese-quartz movement; Charges in natural sunlight or indoor light Durable, hardened mineral crystal Case diameter: 40 mm Gold-tone-stainless-steel case; White dial; Perpetual-calendar, month/day/date functions Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving