From G-Shock, the G-Steel Solar-Powered Resin-Strap Ana-Digi Watch features:  black resin/stainless steel round case black resin strap buckle closure solar powered double LED light with afterglow and selectable illumination duration 12/24-hour formats world time (48 cities) hourly time signal 5 daily alarms 1/100th-second stopwatch countdown timer full auto-calendar power-saving function shock resistance strap length approx. 185mm - 215mm case size approx. 59.1mm x 52.4mm x 16.1mm Water Resistance: 200 meters Imported.