SEIKO SELECTION SBTM169 Solar Radio Date Black Sapphire Stainless 10 ATM Water Resistant [Seiko Watch] Men's Watch, Powered, Controlled, Calendar,

Includes original packaging box and Japanese domestic warranty. Solar-powered radio-controlled Approximately 6 months on a full charge; approximately 1.5 years in power-saving mode. Average monthly deviation when not receiving signals: ±15 seconds Fully automatic calendar function (until December 31, 2099)