All Black G Shock 5600 SERIES DW5600BB-1 Case size (Lx Wx H) 48.9 * 42.8 * 13.4 mm Weight 53 g Case and bezel material Resin Band Resin Band Construction Shock Resistant Water resistance 200-meter water resistance Power supply and battery life Approx. battery life: 2 years on CR2016 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) Measuring modes: Elapsed time, split time, 1st-2nd place times Timer Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments) Other: Auto-repeat Alarm/hourly time signal Hourly time signal Multi-function alarm Flash alert feature Flash alert Flashes with buzzer that sounds for alarms, hourly time signals