Introducing a collection of new G-SHOCK digital models whose big faces and cases give them a look of power and strength.A high-intensity LED makes the digital easier to read, even in the dark.A choice of either dark-on-light or light-on-dark LCD is available, both with a black case and band.Over-sized buttons come with a checkered anti-slip surface to make operations fast and sure.All of this plus high shock resistance and water resistance makes these G-SHOCK models the perfect choice for casual wear just about everywhere. Super Illuminator Case / bezel material: Resin Resin Band 200-meter water resistance Mineral Glass Shock Resistant LED Backlight Auto light switch, selectable illumination duration, afterglow. Flash alert Flashes with buzzer that sounds for alarms, hourly time signal, countdown timer time up alarm, countdown timer progress beeper 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 Input range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments) Alarms 5 independent alarms (one-time or daily) 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: 7 years on CR2025 Size of case/total weight: 55 X 51.2 X 17.4 mm/72 g LED:White