200M, Ø 44.4mm, shell thickness 11.80mm, fiberglass-reinforced resin and stainless steel frame, strong silicone strap, LED light, special shock-resistant, afterglow, world time, timing 1/100s. -24h, timer 1/1s. - 24h, 5 alarms, sound silencer, autom. hands dodge function when making settings, automatic calendar, 12/24 hour display, mineral glass, 3-year battery life: SR726W x 2, module: 5611.