GWG-100-1A3ER

56.2 × 54.9 × 17.3 mm

88 g

Resin / Stainless steel

Resin Band

Shock Resistant

Mud Resistant

200-metre water resistance

Radio-controlled Watch; Multi band 6

Tough Solar (Solar powered)

Mineral Glass

Neobrite

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

1/100-second stopwatch Measuring capacity: 59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times

Countdown timer Measuring unit: 1 second Countdown range: 100 minutes Countdown start time setting range: 1 second to 100 minutes (1-second increments, 1-minute increments)

5 daily alarms

Alarm countdown

Hourly time signal

Double LED light LED light for the face (Full auto LED light, Neon illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) LED backlight for the digital display (Full auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)

LED: White

LED:Neon Illuminator (Blacklight LED)

Full auto-calendar (to year 2099)

Button operation tone on/off

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

Battery level indicator

Approx. battery operating time: 7 months on rechargeable battery (operation period with normal use without exposure to light after charge) 18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)

Accuracy: ±15 seconds per month (with no signal calibration)

12/24-hour format

Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)

Regular timekeeping: Analog: 2 hands (hour, minute (hand moves every 20 seconds)) Digital: Hour, minute, second, pm, month, date, day

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 cancelled as soon as one is successful) *5 times a day for the Chinese calibration signal Manual receive The latest signal reception results