CASIO G SHOCK GW M5610BB 1ER

Case / bezel material: Resin
Resin Band
Shock Resistant
Mineral Glass
200-meter water resistance
Electro-luminescent backlight
Full auto EL light, afterglow
Solar powered
Time Calibration Signals
Station name:DCF77 (Mainflingen, Germany)
Frequency:77.5 kHz
Station name MSF (Anthorn, England)
Frequency: 60.0 kHz
Station name WWVB (fort Collins, United State)
Frequency: 60.0 kHz
Station name: JJY (Fukushima, Fukuoka/Saga, Japan)
Frequency: 40.0 kHz (Fukushima) / 60.0 kHz (Fukuoka/Saga)
Station name: BPC (Shangqiu City, Henan Province, China)
Frequency: 68.5 kHz
Time calibration signal reception
Auto receive up to six* times a day (Remaining auto receives canceled as soon as one is successful)
Manual received
Last time received display
*5 times a day for the Chinese calibration signal
World Time
29 time zones (48 cities + Universal Coordinated Time), city code display, daylight saving on/off
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 second
Input range: 1 minute to 24 hours(1-minute increments and 1-hour increments)
5 daily alarm
Hourly time signal
Battery power indicator
Power Saving (display goes blank to save power when the watch is left in the dark)
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 per month: ±15 sec
Accuracy: ±15 seconds per month (with no signal calibration)
Approx. battery operating time
10 months on Rechargeable Battery (Operating period with normal use without exposure to light after charge)
26 months on Rechargeable Battery (Operating period when stored in total darkness with the Power Save function ON after full charge)
Size of case: 46.7 x 43.2 x 12.7 mm
Total weight: 51.7 g