Casio G-Shock GM-B2100GD-9AJF Full Metal Gold Solar Bluetooth Watch

Product Overview
The Casio G-Shock GM-B2100GD-9AJF is a full metal analog-digital watch inspired by the original G-Shock design and reimagined in a stunning gold-tone finish. With its octagonal bezel, screw-back stainless steel case, and Bluetooth-enhanced time sync, it combines timeless toughness with modern tech and style.

Key Features

• Gold-Tone Full Metal Design
  The case, bezel, and band are crafted from stainless steel with a yellow gold ion-plated finish, delivering both luxury and durability.

• Solar-Powered Movement
  Equipped with Tough Solar, the watch runs up to 7 months on a full charge (18 months in power-saving mode).

• Bluetooth Time Sync
  Connects to your smartphone via the G-SHOCK app for automatic time updates, world time setting, and more.

• World Time
  Displays time in 38 cities + UTC with automatic daylight saving time and home city swap.

• Stopwatch & Timer

  • Stopwatch: 1/100 second (under 1 hour) / 1 second (over 1 hour), up to 24 hours, with lap/split

  • Timer: 1-second intervals, up to 60 minutes

• 5 Daily Alarms & Hourly Signal
  Set up to five alarms with optional hourly time signal.

• Dual LED Light (Super Illuminator)
  Bright white LEDs for both the dial and LCD display, with adjustable afterglow time (1.5 or 3 seconds).

• Display and Smart Functions

  • Power-saving mode: display and hands turn off in the dark

  • Battery level indicator and warning

  • Hand retraction function for LCD visibility

  • Fully automatic calendar

  • 12/24-hour format switching

  • Date format switching (month/day)

  • Weekday display in six languages (EN, ES, FR, DE, IT, RU)

• Accuracy
  ±15 seconds per month when not linked to a smartphone

Specifications

• Model: GM-B2100GD-9AJF

• Case Size: 49.8 × 44.4 × 12.8 mm

• Weight: 165g

• Material: Stainless steel case and band

• Water Resistance: 20 ATM (200 meters)

• Movement: Solar-powered quartz with Bluetooth connectivity

• Lighting: Dual white LED (dial and LCD)

Package Includes

• Casio G-Shock GM-B2100GD-9AJF Watch

• Casio presentation box

• Instruction manual