Style: Casio G-shock Master Of G-air Gravitymaster
Colorway: Black/Red
Sku: GR-B300-1A4
Basic Information
Case size (L× W× H)
59 × 54.7 × 15.7 mm
Case and bezel material
Bio-based Carbon / Bio-based resin
Band
Bio-based resin band
Construction
Shock Resistant
Carbon Core Guard structure
Water resistance
200-meter water resistance
Time adjustment
Bluetooth: Connects to a smartphone and automatically adjusts the time
Power supply and battery life
Tough Solar (Solar powered)
Country Of Origin
Thailand
Smartphone Link/App Connectivity Features
Smartphone Link feature
Mobile link (Wireless linking using Bluetooth®)
App connectivity feature
Auto time adjustment
Easy watch setting
Approximately 300 world time cities
Flight log
Phone finder
Exterior
Compatible band size
145 to 215 mm
Other
Neobrite
Watch Features
World time
Dual time (Home City time swapping)
Stopwatch
1-second stopwatch Measuring capacity: 23:59'59. Measuring modes: Elapsed time, split time
Timer
Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
Alarm/hourly time signal
Daily alarm
Light
LED light (Super Illuminator) Afterglow
Calendar
Full auto-calendar (to year 2099)
Energy saving feature
Power Saving (hands stop to save power when the watch is left in the dark)
Battery display/alert
Battery level indicator
Run time
Approx. battery operating time: 5 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
Accuracy: ±15 seconds per month (with no mobile link function)
Other features
Date display
Day indicator
Regular timekeeping: Analog: 3 hands (hour, minute (hand moves every 10 seconds), second), 3 dials (dual time hour and minute, dual time 24-hour, day)