Introducing the G-8900 a quintessential G-SHOCK with a big bold case and distinctive front button design. The large easy-read LCD screen and sizable case with front buttons embody what G-SHOCK is all about. This stylish practicality is echoed in the stainless-steel bezel and G-SHOCK red accents set against a black base. The watch delivers handy features like world time and stopwatch, as well as a high-brightness LED light easily accessed from the large button on front of the case to ensure visibility even in the dark. Case / bezel material: Resin / Stainless steel Resin Band Shock Resistant Mineral Glass 200-meter water resistance LED Backlight (Super Illuminator) Auto light switch, selectable illumination duration, afterglow. LED:White Flash alert Flashes with buzzer that sounds for alarms, countdown timer (time up), hourly time signal Multi Time (4 different cities) World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping 1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times Countdown timer Measuring unit: 1/10 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) 5 daily or one-time alarms Hourly time signal Full auto-calendar (to year 2099) 12/24-hour format Button operation tone on/off Regular timekeeping: Hour, minute, second, pm, month, date, day Accuracy: ±15 seconds per month Approx. battery life: 3 years on CR2016 Size of case : 55.1 x 52.5 x 16.3 mm Total weight : 69g