Case / bezel material: resin/stainless steel; Glass material: resin glass; Band material: genuine leather (embossed on calf); Radio clock; 5 ATM waterproof; Tough solar (solar charging system); Battery indicator display; Power saving function; 3 display patterns (date / day display, seconds display, time display); World time: 29 cities around the world (29 time zones, daylight saving function) + UTC (coordinated universal stop). Watch (1) 100 seconds, 60 minutes); Timer (set unit: 1 minute, maximum set: 100 minutes, 1 second increment); 5 time alarms, hour signal; Full auto calendar; 12/24 hour display switching; Operation sound on/off; LED light (with afterglow); Size: 1.8 x 1.7 x 1.0 mm/33g