Casio Tactical G-Shock Black Resin Strap Watch. Including 10-year battery life high-intensity LED illumination and a gel shock-resistant structure the Casio Tactical G-Shock Watch is packed full of impressive features. For an amazing method for ensuring your complete punctuality choose the Casio Tactical G Shock Wrist Watch. Specifications for Casio Tactical G Shock Shockproof Wrist Watch: Measuring capacity: 23 Measuring modes: Elapsed time split time 1st-2nd place times Other: 5-second auto-start Measuring unit: 1 second Input range: 1 minute to 24 hours (1-minute increments and 1-hour increments) Others: Auto-repeat Progress beeper Accuracy: +/-15 seconds per month Battery: CR2032 Approx. battery life: 10 years Features of Casio Tactical Waterproof Watch - G-Shock: 10 Year Battery Shock Resistant 200M Water Resistant Alpha Gel (R) Auto LED (Super Illuminator) Backlight with Afterglow Flashes with buzzer that sounds for alarms hourly time signal countdown timer progress beeper and stopwatch auto-start 29 times zones (48 cities) city code display daylight saving on/off 3 Multi-function alarms (2 one-time alarms and 1 snooze Alarm) Hourly time signal 1/100 second stopwatch Full auto-calendar (pre-programmed until the year 2099) 12/24 hour formats Button operation tone on/off Package Contents: Casio Tactical G-Shock 200M Water Resistant Time Piece Casio Tactical DW6900MS-1CR: G-Shock Black Resin Strap Watch