Casio GR-B300RY-1A9ER MASTER OF G - AIR Gravitymaster Watch

Information

• 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/App Connectivity Features

• 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

Exterior

• Glass

  Mineral Glass

• Crown

  Screw Lock Crown

• Surface treatment

  Black ion plated bezel

• 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

• 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)