Casio G‑Shock GM‑B2100BPC‑1AJF Full Metal Rainbow Solar Bluetooth Watch

Product Overview
The Casio G‑Shock GM‑B2100BPC‑1AJF pairs a striking rainbow‑accented, full‑metal build with advanced solar and Bluetooth technology. Inspired by the original square DW‑5000C yet refined with an octagonal bezel, this slim analog‑digital model delivers toughness, precision, and vibrant style.

Key Features

• Solar‑Powered Movement – Tough Solar provides up to 7 months of use (18 months in power‑saving mode).

• Bluetooth Time Sync – Connect to the G‑SHOCK app for automatic time updates, world‑time settings, phone finder, and reminders.

• World Time – Displays 38 time zones + UTC with automatic daylight‑saving and home‑city swap.

• Chronograph Tools
  • Stopwatch: 1/100 s (< 1 h) / 1 s (≥ 1 h), up to 24 h, lap/split
  • Timer: 1‑second increments, up to 60 minutes

• 5 Daily Alarms & Hourly Signal – Multiple alerts to keep you on schedule.

• Dual LED Super Illuminator – Independent white LEDs for dial and LCD with 1.5 / 3‑second afterglow.

• Smart Energy Management
  • Power‑saving mode suspends display and hands in darkness
  • Battery‑level indicator

• User‑Friendly Display
  • Fully automatic calendar
  • Hand retraction for clear LCD view
  • 12/24‑hour format, month‑day swap
  • Weekday in six languages (EN, ES, FR, DE, IT, RU)

• Shock‑Resistant & 20 ATM Water‑Resistant – Built for everyday impact and water activities.

• Accuracy – ±15 seconds per month when not connected via Bluetooth.

Specifications

• Model: GM‑B2100BPC‑1AJF

• Case Size: 49.8 × 44.4 × 12.8 mm

• Weight: 165 g

• Case / Band: Stainless steel (screw‑back case, one‑push triple‑fold clasp)

• Movement: Solar‑powered quartz with Bluetooth

• Light: Dual white LED (dial + LCD)

Package Includes

• Casio G‑Shock GM‑B2100BPC‑1AJF watch

• Casio presentation box

• Instruction manual