| Size | ★★★ |
| Weight | ★★★ |
| Functions | ★★★★ |
| Materials | ★★★★ |
| Price | ★★★★ |
About GW-A1000 in Short. This ground-breaking CASIO system for analogue movements achieves multi-functionality and easy operability simultaneously through a combination of multiple motors and an electronic crown. TOUGH MOVEMENT is a CASIO-original thin analog movement that is packed with a host of amazing features and functions.
G-SHOCK GRAVITYMASTER Evolution Timeline
July, 2020
GR-B200
300$ on Amazon →
★★★★★
Quad Sensor & Flight Mission Functions
Its structure combines a carbon fiber-reinforced resin case with a Carbon Core Guard that protects the module, offering shock resistance and fortifying the watch against vibrations.
More about the Watch →
February, 2019
GWR-B1000
800$ on Amazon →
★★★★★
The next stage of toughness based on carbon materials
Featuring strong, lightweight carbon materials and a newly developed carbon monocoque case, this lightest GRAVITYMASTER delivers the shock resistance of a pilot watch at a mere 72 grams.
More about the Watch →
March, 2018
GR-B100
400$ on Amazon →
★★★★
Accuracy and Functions required during Flight
More about the Watch →
May, 2017
GPW-2000
World’s 1st*1 watch with 3 time correction systems
Pursuing a precision time display capability that is indispensable for aviation missions, this model combines GPS hybrid radio-controlled, solar-powered timekeeping*2 with a Bluetooth® communication function in a 3-way time correction system.
General Information
| Price | $315 *average Amazon Price, we may earn commission from purchases |
| Year of First Release | 2012 |
| Battery Type | Solar CTL920 (Casio Batteries) |
| Manual | 5240 (official) |
GW-A1000 Model Range *may be updated
*Want to be the first to know about new G-Shock Updates? Here we store all recent Monthly G-Shock Updates →
Casio GW-A1000 on the wrist!
Official GW-A1000 Specs / Features *for base version GW-A1000
- Case: Titanium / Resin
- Battery Type: Recharge
- Battery Life: SOLAR
- 1/20-second stopwatch
Measuring capacity: 1:59’59.95″
Measuring mode: Elapsed time
Other: Fly back - Accuracy: ±15 seconds per month (with no signal calibration)
- Approx. battery operating time
6 months on Rechargeable Battery (Operating period with normal use without exposure to light after full charge)
29 months on Rechargeable Battery (Operating period when stored in total darkness with the Power Save function ON after full charge) - Full auto-calendar (to year 2099)
- Auto hand home position correction
- Countdown timer
Measuring unit: 1/10 second
Countdown range: 60 minutes
Countdown start time setting range: 1 to 60 minutes (1-minute increments) - Daily alarms
- Date, day display
- Low battery alert
- Power Saving (hands stop to save power when the watch is left in the dark)
- Regular timekeeping
- Shock resistant (G-SHOCK)
- 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 (29 cities + coordinated universal time), daylight saving on/off, auto summer time (DST) switching
Home city/World time city swapping - Size of case: 54.1 x 52.4 x 16.4 mm
- Weight: 85g
You ask, we answer…
The watch is good for swimming but not for deep diving.
Solar CTL920.
Yes, it has daily Alarm.
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