Casio G-SHOCK MASTER OF G GR-B300-1A4JF Air Gravitymaster Bluetooth Solar Watch COLOR:BLACK and a screw-back case

and a screw-back case

Power Save mode (display turns off in darkness to save energy)

Alarms: 5 daily alarms

no need for date adjustment even on leap years

Casio G-SHOCK MASTER OF G GR-B300-1A4JF Air Gravitymaster Bluetooth Solar Watch COLOR:BLACK and a screw-back caseProduct Overview The Casio G SHOCK MASTER OF G Air Gravitymaster GR B300 1A4JF is a rugged and precise digital analog timepiece designed for pilots and outdoor enthusiasts. Equipped with Tough Solar power, Bluetooth connectivity, and advanced timekeeping features, this watch offers reliable performance in extreme environments. Key Features Shock Resistant: Built to endure strong impacts and vibration. Water Resistant 20 ATM (200 meters): Suitable for