Citizen Men's BM8080-59A Eco-Drive Corso Stainless Steel Watch Light powered eco-drive Japanese-quartz movement; charges in natural sunlight or indoor light Durable, hardened mineral crystal Case diameter: 37 mm Stainless-steel case; silver dial; day-and-date functions Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving