Casio GRB300-1A | Black GRAVITYMASTER Pilot Watch | Casio G-SHOCK

Aviation is an art where human skill soars on design, and the black Casio G-SHOCK GRAVITYMASTER GRB300-1A pilot watch is artfully designed for aviators.

Case size (L× W× H):59 × 54.7 × 15.7 mm
Weight:71 g
Case and bezel material:Bio-based Carbon / Bio-based resin / Stainless steel
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)

Smartphone Link feature:Mobile link (Wireless linking using Bluetooth®)
Apps:CASIO WATCHES
App connectivity feature:Auto time adjustment,Easy watch setting,Approximately 300 world time cities,Flight log,Phone finder

Glass:Mineral Glass
Crown:Screw Lock Crown
Compatible band size:145 to 215 mm
Other:Neobrite

World time:Dual time (Home City time swapping)
Stopwatch:1-second stopwatch
Measuring capacity: 23:59.
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
Light color:LED:White
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)