Casio G-Shock GMD-S5600BA-1 Black Resin Band Compact Size Unisex Digital WatchCase size (L W H) : 45. 7 40. 5 11. 9 mm Weight : 41 g Case and bezel material : Resin Resin Band Shock Resistant 200 meter water resistance Approx. battery life: 3 years on CR1616 Mineral Glass Compatible band size : 145 to 200 mm Stopwatch 1 100 second stopwatch Measuring capacity: 00'00''00~59'59''99 (for the first 60 minutes) 1: 00'00~23: 59'59 (after 60 minutes) Measuring unit: 1 100 second (for the first 60 minutes) 1 second (after 60 minutes)