Citizen Men's BM8084-58H Eco-Drive Corso Two-Tone Watch Light powered Eco-Drive Japanese-quartz movement; Charges in natural sunlight or indoor light Durable, hardened mineral crystal Case diameter: 37 mm Two-tone stainless steel case; Black dial; Day-and-date functions Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving