Casio G-Shock The Origin Digital radio-solar men's watch black GW-5000U-1er Backproof wristwatch with radio reception and tough solar, quartz work with digital display, charge through the sun and all types of light, charging control display, radio signal reception (EU, USA, Japan, China), automatic calendar with date, month and weekday, 12-/24-hour format, world time function shows times from up to 29 time zones up to 24 hours In 1/100 second steps, countdown timer for up to 24 hours in 1/1 minutes, 5 daily alarms, slumber function (snooze), black display edge, Full car illuminator when rotating the wrist, black stainless steel/resin case, screwed stainless steel housing floor with black DLC finish, mineral glass, black glass Resin bracelet with thorn lock, waterproof up to 20 bar, size 48.