GR-B300RY-1A9

Whatever you’re doing, wherever you are — the G-SHOCK Master of G line has your back. For total support in the harshest environments, this GRAVITYMASTER watch delivers peak performance in punishing conditions in air. It features bold black to exude toughness and a band in the same bright yellow used for emergency rescues and safety signs. This innovative design is a sure fit for the world of professionals involved in rescue efforts and other critical missions. The organic form of the GRAVITYMASTER GR-B300RY is inspired by next-generation aircraft and rendered with a seamless exterior design. The Carbon Core Guard structure and wide 3D face deliver durability, readability, and a comfortable fit. Enjoy all the practical functions as well, including dual-time simultaneously showing the time in two cities, a flight log memory function for recording routes traveled, and more. This tough watch delivers what you need to make quick decisions and take decisive action in the harshest of environments.

• Shock resistant
• 20 bar water resistant
• Keeps yourself in time
• Stable solar power
• Easy to operate via smartphone
• Black ion plated bezel
• Bio-based Carbon / Bio-based resin / Stainless steel
• Bio-based resin band
• 200-meter water resistance
• Shock Resistant
• Carbon Core Guard structure
• Mineral Glass
• Neobrite
• Analog
• MEN'S
• Bluetooth: Connects to a smartphone and automatically adjusts the time
• Tough Solar (Solar powered)
• Mobile link (Wireless linking using Bluetooth®)
• CASIO WATCHES
• Auto time adjustment
• Easy watch setting
• Approximately 300 world time cities
• Flight log
• Phone finder
• Dual time (Home City time swapping)
• 1-second stopwatch
• Measuring capacity: 23:59'59.
• Measuring modes: Elapsed time
• split time
• 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)
• Daily alarm
• LED light (Super Illuminator)
• Afterglow
• Full auto-calendar (to year 2099)
• Power Saving (hands stop to save power when the watch is left in the dark)
• Battery level indicator
• 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: ±15 seconds per month (with no mobile link function)
• 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)