A compact design in matte black from G-Shock's DW6900 series. Built to withstand impact from any direction, this all black model features a matte finish with black ion plated buckle and buttons. Though the design is pared down, this basic model packs in timekeeping functions to meet the demands of your day. Shock Resistant 200 Meter Water Resistant EL Backlight with Afterglow Flash Alert - Flashes with buzzer that sounds for alarms, hourly time signal, countdown timer time-up alarm 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 mode: Elapsed time, split time, 1st-2nd place times 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 Multi-function alarm Hourly time signal Full auto-calendar (pre-programmed until the year 2039) 12/24 hour formats Accuracy: +/- 15 seconds per month Battery CR2016 Approximate battery life: 2 years Module 1289/3230 53.2 x 50.0 x 16.3mm Case size