展开Casio GD400-9 G-Shock men's alarm dive watch features a 50mm wide and 17mm thick black resin case with a fixed bezel and textured function pushers. Casio GD400-9 is powered by quartz movement. This stylish watch features a sharp looking digital grey dial with black Arabic numerals along with the 12/24-hour time, day-date, month and year display functions. This attractive watch also features shock resistant, LED backlight (super illuminator), auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow, flash alert, flasher with buzzer that sounds for alarms, hourly time signal, countdown timer time-up alarm, multi time (4 different cities), world time, 31 time zones (48 cities + UTC), city code display, daylight saving on/off, home city/world time city swapping, 5 daily alarms (one time or daily), hourly time signal, 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), other: selectable flash alert and direct start from timekeeping mode, full auto calendar (pre-programmed until the year 2099), low battery warning, button operation tone on/off, accuracy: n++n++15 seconds per month, battery: CR2032, approximate battery life: 3 years, scratch resistant mineral crystal and water resistant to 200 meters. Casio GD400-9 is equipped with a green resin strap with a buckle clasp. Casio GD400-9 men's G-Shock digital grey dial green resin strap world time dive watch is brand new and comes in an original Casio gift box and is backed by a 1 year limited warranty.