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Gravitymaster Black/Orange gr-b300-1a4 - Casio G-Shock wrist watch

If you have questions about this or any other item in our store, please call us at 303-862-3900 or e-mail

Eligible for Free Ground/FirstClass (Continental US) Shipping

Availability: In stock

Country : Japan
Brand : CASIO
Collection : G-SHOCK
Model : GRB3001A4

Casio G-Shock Master of G Gravitymaster model GR-B300-1A4. Japanese made solar powered quartz movement with Bluetooth connectivity. Black color resin case and band. Black dial with white and orange accents. Water resistant to 200 meters.

Factory Model Number. GRB3001A4.
Japanese Quartz Analog. Casio Module 5719.
Movement Features:
  • Tough Solar (Solar powered)
  • Bluetooth: Connects to a smartphone and automatically adjusts the time.
  • Functions:
  • Dual time (Home City time swapping)
  • 1-second stopwatch
  • Countdown timer
  • Daily alarm
  • LED light (Super Illuminator)
  • Full auto-calendar (to year 2099)
  • Battery level indicator
  • Power Saving (hands stop to save power when the watch is left in the dark)
  • Accuracy: ±15 seconds per month (with no mobile link function).
  • High-strength resin. Black color.
    Sport style, screw-down (threaded).
    Mineral glass.
    Luminous filled.
    Case Back:
    Screw-on style ( held by screws ). Factory Engraved/Raised Logo.
    High-strength resin. Black color.
    59 x 54.7 x 15.7 mm.
    1 YEAR Manufacturer's Warranty.

    Right Time International Watch Center, since 1979, is an Official Factory Authorized dealer for all the brands that we represent on our website or in our showroom in Denver, Colorado. Our service center with four certified master watchmakers on premises is an Authorized Service facility for many of them. All original factory warranties apply!

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