CASIO G-Shock Bluetooth Solar Master Of G - Rangeman

Smartphone Link/App Connectivity Features
Smartphone Link feature

Mobile link (Wireless linking using Bluetooth®)
Apps

CASIO WATCHES
App connectivity feature

Auto time adjustment
Easy watch setting
Approximately 300 world time cities + user-added point
Time & place
Reminder
Phone finder

Watch Features
World time

5 World time 39 time zones (39 cities +coordinated universal time), auto summer time (DST) switching, home city/world time city swapping
Stopwatch

1/100-second stopwatch
Measuring capacity: 00'00''00~59'59''99 (for the first 60 minutes)
1:00'00~23:59'59 (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 (2 seconds or 4 seconds), afterglow
Light color

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

Low battery alert
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 (with no signal calibration and mobile link function)
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 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
Time calibration signal reception
Auto receive up to six* times a day (remaining auto receives canceled as soon as one is successful)
*5 times a day for the Chinese calibration signal
Manual receive
The latest signal reception results