Citizen Men's JR3080-51L Eco-Drive Blue Angels Watch Light powered eco-drive Japanese-quartz movement; charges in natural sunlight or indoor light Max power reserve: low charge warning: 1.5 days; charge time from stop state to max charge Durable, hardened mineral crystal Use of the Blue Angels name and logo is with the permission, but not endorsement, of the U.S. Navy Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving