Description

G-Shock Solar Bluetooth 200m Carbon Core Guard – Black GR-B300RY-1A9:

Specifications
Basic Information
Case Size (L × W × H): 59 × 54.7 × 15.7 mm
Weight: 71 g
Case & Construction
Case & Bezel Material: Bio-based Carbon / Bio-based Resin / Stainless Steel
Construction: Shock Resistant, Carbon Core Guard Structure
Surface Treatment: Black Ion Plated Bezel
Glass: Mineral Glass
Crown: Screw Lock Crown
Water Resistance: 200 Metres
Neobrite: Yes

Band
Band Material: Bio-based Resin Band
Compatible Wrist Size: 145–215 mm
Movement & Power
Power Supply: Tough Solar (Solar Powered)
Time Adjustment: Bluetooth® Smartphone Link (Automatic Time Adjustment)
Accuracy: ±15 seconds per month (without mobile link)
Battery Indicator: Battery Level Indicator
Energy Saving: Power Saving Function

Run Time:
Approx. 5 months (normal use after full charge)
Approx. 18 months (power save mode, total darkness)
Smartphone Link / App Features
Connectivity: Bluetooth® Mobile Link
App: CASIO WATCHES

Functions:
Auto Time Adjustment
Easy Watch Setting
Approximately 300 World Time Cities
Flight Log
Phone Finder
Watch Functions
World Time: Yes
Dual Time: Home City Time Swapping
Stopwatch: 1/100-second, up to 23:59’59.
Modes: Elapsed Time, Split Time
Timer: Countdown Timer
Range: 24 Hours
Setting: 1 Minute to 24 Hours
Alarm: Daily Alarm
Hourly Time Signal: Yes

Light
Light: LED Light (Super Illuminator)
Afterglow: Yes
Light Colour: White LED
Calendar & Display
Calendar: Full Auto-Calendar (to Year 2099)

Display:
Analogue: 3 Hands (Hour, Minute, Second)
Sub-Dials: Dual Time Hour & Minute, Dual Time 24-Hour, Day
Other Indicators: Date Display, Day Indicator

Engineered for extreme durability and smart connectivity, this carbon-core protected timepiece features Tough Solar power, Bluetooth® smartphone linking, and 200-metre water resistance. With world time, flight log capability, Super Illuminator LED lighting, and shock-resistant construction, it delivers advanced performance in a bold, lightweight design built for modern adventure.