Unfortunately something went wrong

Menu
  • Newsletter
    Subcribe and receive a 5% discount
Brands
Brands | All brands
Gents
Gents | All watch brands
Gents | Smartwatches
Gents | All watch types
Gents | Watch colors
Gents | Watch Bands
Gents | Watch Bands | Brands
Gents | Watch Bands | Watch band types
Gents | Watch Bands | Apple Watch
Ladies
Ladies | All watch brands
Ladies | Smartwatches
Ladies | All watch types
Ladies | Watch colors
Ladies | Watch Bands
Ladies | Watch Bands | Brands
Ladies | Watch Bands | Types
Ladies | Watch Bands | Apple Watch
Kids
Kids | Brands
Kids | Price ranges
Kids | Types of kids watches
Kids | Colors
Watch Bands
Watch Bands | Brands
Watch Bands | Types
Watch Bands | Apple Watch
Watch accessories
Watch accessories | Most sold watch batteries
Watch accessories | Most sold watch tools
Watch accessories | Bestselling watch boxes
Vintage
Vintage | Vintage
Vintage | Second chance
New
New | New collection
New | Coming soon
OUTLET
OUTLET | Sale
OUTLET | Second chance
🎁 Gift Shop
🎁 Gift Shop | SHOP
🎁 Gift Shop | INSPIRATION
Customer Service
All Information
My order
Contact
How to
Adjust watch band
Change watch band
Measure wrist size
Set time on digital watch
Watch ABC
Water resistance
Newsletter
Easy payments via Apple Pay
Ready to ship in 24h
Shopping in a secure environment
The watch specialist for over 25 years
  2. G-Shock
  3. G-Shock Master of G - Gravitymaster GR-B300RY-1A9ER Gravitymaster - Rescue Yellow Watch

G-Shock Master of G - Gravitymaster GR-B300RY-1A9ER Gravitymaster - Rescue Yellow Watch

  • G-Shock Master of G - Gravitymaster GR-B300RY-1A9ER Gravitymaster - Rescue Yellow Watch
  • Bestseller
  • New

Carbon core guard solar Bluetooth connected watch

$282.-
● In stock

Color -

Oops! Something went wrong
Order before 18:15, delivered Friday 21 March
  • Worldwide delivery
  • The watch specialist for over 30 years
  • Official dealer of G-Shock
Compare Error

Product description

This G-Shock watch has a case made of Carbon reinforced resin with a diameter of 54.7 mm and is fitted with a Bio-sourced plastic band. Inside the case lies a Casio movement and the watch features a Mineral crystal.

The watch is 20 ATM. This means the watch is suitable for diving. The watch comes with 2 Year Warranty.

We deliver worldwide. Read more about the conditions on the shipping page and for our returns policy on the returns page

Specifications

Alternative article number GR-B300RY-1A9
Ean 4549526397943
Diameter 54.7 mm
Water Resistance 20 Bar (Dive)
Warranty 2 Year Warranty
Free 1 year extra warranty on Mastersintime.com

Functions

Time hours - Analogue hand
Calendar Date - Window
Chronograph and timers Stopwatch /Chronograph - 1/1 seconds, 24 hours - Elapsed time - Split times
Alarms and notifications Sound Alarm(s) - 1 Daily alarm
General information
Ean 4549526397943
Brand G-Shock
Category Master of G - Gravitymaster
Name Gravitymaster - Rescue Yellow
Year 2025 Spring / Summer
Display Type Analog
Swiss Made No
Water Resistance 20 Bar (Dive)
Dial color Dark grey
Hand colors (h-m-s) Grey, Grey, White
Case information
Case code GR-B300RY
Diameter 54.7 mm
Case Thickness 15.7 mm
Case material Carbon reinforced resin
Case Shape Round
Case color Black
Back case material Stainless steel
Back Case Closed with screws
Material crystal Mineral
Crown Screw crown
Movement information
Movement part nr 5719 ( See specifications )
Download manual (English)
Movement Brand Casio
Swiss movement No
Display Type Analog
Mechanism Solar Quartz
Battery Rechargable solar battery
Battery life 5 months
Hackable No
Skeletonized No
Strap information
Band material Bio-sourced plastic
Strap width 28 mm
Lug width (mm) 17 mm
Band width at clasp 21 mm
Band color Yellow
Clasp Type Buckle
Clasp color Black
Band sizing by HWG? No
Mount type Saddle screw
Straight strap mount No
Suitable for wrist size 145 mm - 215 mm

Print & Fit

Wondering how the watch fits your wrist? Use the print and fit function!

Time
hours Analogue hand
minutes Analogue hand
Seconds Analogue hand
Time Zones Home city setting, Multiple time zones, Dual time / GMT, World time (smartphone link)
Automatic time adjustment Smartphone sync
DST-setting Automatic (smartphone link)
Calendar
Date Window
Day Dial
Auto Calendar
Chronograph and timers
Stopwatch /Chronograph 1/1 seconds, 24 hours, Elapsed time, Split times
Timer(s) Countdown Timer 1/1 seconds - 24 hours
Alarms and notifications
Sound Alarm(s) 1 Daily alarm
Battery alert Low battery alert
Aviation
Flight Log
Lighting
LED lighting Casio Super Illuminator
Other
Hand alignment correction Via smartphone link
Find my phone
Power save mode
Connectivity
Bluetooth

User experiences

There are currently no reviews available for this product

G-Shock Master of G - Gravitymaster GR-B300RY-1A9ER Gravitymaster - Rescue Yellow Watch