CASIO G-Shock Tough Solar World Time GWM5610U-1B

CASIO G-Shock Tough Solar World Time GWM5610U-1BWorld time 5 World time 31 time zones (48 cities + Coordinated Universal Time), daylight saving on off, Home city World time city swapping Stopwatch 1 100 second stopwatch Measuring capacity: 00'00"00 to 59'59"99 (for the first 60 minutes) 1: 00'00 to 23: 59'59 (after 60 minutes) Measuring unit: 1 100 second (for the first 60 minutes) 1 second (after 60 minutes) Measuring modes: Elapsed time, split time, 1st 2nd place times Timer Countdown timer

• World time

  5 World time 31 time zones (48 cities + Coordinated Universal Time), daylight saving on/off, Home city/World time city swapping

• Stopwatch

  1/100-second stopwatch Measuring capacity: 00'00"00 to 59'59"99 (for the first 60 minutes) 1:00'00 to 23:59'59 (after 60 minutes) Measuring unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes) Measuring modes: Elapsed time, split time, 1st-2nd place times

• Timer

  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)

• Alarm/hourly time signal

  5 daily alarms (with 1 snooze alarm)
  Hourly time signal

• Light

  LED backlight (Super Illuminator) Full auto LED light, selectable illumination duration (1.5 seconds or 3 seconds), afterglow

• Light colour

  LED: White

• Calendar

  Full auto-calendar (to year 2099)

• Mute feature

  Button operation tone on/off

• Energy saving feature

  Power Saving (display goes blank to save power when the watch is left in the dark)

• Battery display/alert

  Battery level indicator

• Run time

  Approx. battery operating time: 10 months on rechargeable battery (operation period with normal use without exposure to light after charge) 22 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)

• Accuracy

  Accuracy: ±15 seconds per month

• Other features

  12/24-hour format
  Date/month display swapping
  Day display (days of the week selectable in six languages)
  Regular timekeeping: Hour, minute, second, pm, month, date, day

• Time adjustment details

  Time calibration signal reception Auto receive up to six* times a day (remaining auto receives cancelled as soon as one is successful) *5 times a day for the Chinese calibration signal Manual receive The latest signal reception results
  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 States) 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