The G-Shock GravityMaster Series of the watch designed with the aviation environment in mind is proud to introduce a new color series that features the navy blue coloring used in flight jackets as the base color. The GW-A1100, which features a digital compass and TRIPLE G RESIST construction. This

The G-Shock GravityMaster Series of the watch designed with the aviation environment in mind is proud to introduce a new color series that features the navy blue coloring used in flight jackets as the base color. The GW-A1100, which features a digital compass and TRIPLE G RESIST construction. This model features a large black face, with white for the hour, minute, and dial hands. Everything about the face is designed and engineered to present information in an easy-to-read format, even under flying conditions and in other severe environments. G-SHOCK toughness and functionality, plus navy blue coloring that capture the aviation spirit puts this new GravityMaster color series in a class of its own.

• Dial Color: Black
• Dial Window Material: Mineral
• Display Type: Analog
• Case Material: Resin/Stainless Steel back
• Case Dimension: 48.4 × 53.8 × 17.3 mm
• Band Material: Resin
• Clasp Type: Buckle
• Movement: Japanese Quartz
• Water Resistant: 200 M
• Triple G Resist
• Neobrite
• Sapphire Glass with non-reflective coating
• Shock Resistant
• 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 time
• 29 time zones (29 cities + coordinated universal time), city code display, daylight saving on/off, Home city/World time city swapping
• 1/20-second stopwatch
• Measuring capacity: 1:59'59.95''
• Measuring modes: Elapsed time, fly back
• Countdown timer
• Measuring unit: 1 second
• Countdown range: 60 minutes
• Countdown start time setting range: 1 second to 60 minutes (1-second increments, 1-minute increments)
• Daily alarm
• Low battery alert
• 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)
• Accuracy: ±15 seconds per month (with no signal calibration)
• Approx. battery operating time:
• 6 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)
• Size of case:
• Total weight: 93 g