Illuminator, shock-resistant, display Flasher, stopwatch function, - 1/100 sec. - 24 hours, timer - 1/1 sec. - 24 hours, multi alarm, Snooze feature, automatic calendar with Date, Day and Month, 12/24-hour timekeeping, mineral glass, resin case, resin band, buckle, 3 Years - 1 Battery, water resistance classification (20 bar), chronometric precision, CR1616 battery, 44.7 x 40 x 12.5 mm, 44g.