CASIO G-SHOCK GBM-2100A-1A2JF Analog-Digital Tough Solar Bluetooth Watch

Product Overview

The CASIO G-SHOCK GBM-2100A-1A2JF merges the iconic slim octagonal silhouette of the 2100 series with a sophisticated metal bezel, advanced Tough Solar power, and smartphone connectivity via Bluetooth. Featuring an eco-friendly biomass plastic band, this model combines rugged durability, smart functions, and stylish design — perfect for casual or business wear.

Key Specifications

• Model Number: GBM-2100A-1A2JF

• Water Resistance: 20 ATM (200 meters)

• Case Size: 49.3 × 44.4 × 11.9 mm

• Weight: 72.0 g

• Warranty: 1 year domestic manufacturer warranty

• Included Accessories: Casio box, instruction manual

Mobile Link & App Features

• Bluetooth connectivity with compatible smartphones

• Automatic time correction and easy setting via “CASIO WATCHES” app

• World time covering approx. 300 cities and time zones

• Time and place reminders

• Mobile phone finder

Major Features

• World Time: 38 cities (38 time zones), daylight saving auto setting, UTC display, home city swap

• Stopwatch: 1/100 second (under 1 hour) and 1 second (over 1 hour), 24-hour max, lap/split functionality

• Timer: Up to 60 minutes, adjustable in 1-second units

• Alarms: 5 daily alarms plus hourly chime

• Light: Double LED Super Illuminator for dial and LCD, with adjustable afterglow (1.5s or 3s)

• Calendar: Fully automatic, no manual adjustment needed

• Operation Sound: ON/OFF switchable

• Power Saving: Display automatically turns off after inactivity in the dark

• Battery: Indicator display included

• Battery Life: Approx. 7 months on full charge (solar), 18 months in power-saving mode

• Accuracy: ±15 seconds/month without smartphone connection

Design Highlights

• Slim, durable Carbon Core Guard structure

• Metal octagonal bezel adds elegance and toughness

• Biomass plastic band for eco-conscious wear