SEIKO SELECTION SBTM359 with Date Sapphire Stainless [Seiko Watch] Japanese-made Men's Wristwatch, Solar-powered, Radio-controlled, Calendar,

Solar-powered radio wave correction (receives standard radio waves from Japan, China, the USA, Germany, and the UK) Approximately 9 months of operation on a full charge; approximately 2 years in power-saving mode. Fully automatic calendar function (until December 31, 2099) Automatic reception function Time zone correction function