GW-A1100R-4ADR Casio Wristwatch

Solar powered
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
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
The auto hand home position correction
Digital compass 20 seconds continuous measurement Hand indication of north Bidirectional calibration and northerly calibration function
World time29 time zones (29 cities + coordinated universal time), city code display, daylight saving on/off, Home city/World time city swapping
1/20-second stopwatchMeasuring capacity: 1:59'59.95'' Measuring modes: Elapsed time, fly back
Countdown timer Measuring unit: 1 second Input range: 1 second to 60 minutes (1-second increments, 1-minute increments)
Daily alarm
Power Saving (hands stop to save power when the watch is left in the dark)
Full auto-calendar (to year 2099)
Regular timekeeping Analog: 3 hands (hour, minute (hand moves every 20 seconds), second), 2 dials (24-hour, day)