Casio G-Shock Classic Watch GBM-2100-1AER

The Casio G-Shock GBM-2100-1AER redefines the iconic GA-2100 aesthetic with a polished stainless steel case that dramatically contrasts against the black carbon-textured dial. The metallic octagonal bezel features engraved inscriptions ADJUST, MODE, START and LIGHT, while PROTECTION dominates the lower section. The dial presents a vertical line pattern mimicking carbon fiber, with rectangular silver indices and luminous hands that stand out against the dark background. The circular subdial at 9 o'clock displays days of the week, while the digital window at 3 o'clock shows multiple functions.

At its heart beats the Casio 5729 module, equipped with Tough Solar technology that converts any light source into energy. Bluetooth connectivity enables automatic smartphone synchronization via the G-Shock Connected app, adjusting world time, setting alarms and controlling advanced functions. The stopwatch reaches 1/100 second precision, complemented by countdown timer, 5 daily alarms and fully automatic calendar until 2099. Multi-Band 6 radio signal ensures atomic precision across six global transmitters.

The G-Shock series was born in 1983 from engineer Kikuo Ibe's dream of creating an unbreakable watch. After more than 200 prototypes and drop tests from 10 meters height, a legend was born that has sold over 100 million units. The Carbon Core Guard structure combines resin with carbon fiber, offering extreme resistance while maintaining surprisingly light weight.

Shopping at TicTacArea.com means buying from real jewelers with over 30 years of industry experience, serving as official distributors, online since 1999. Every product is genuine, factory-new, and delivered with its official presentation box, documentation, and international warranty.

Technical Specifications

Reference: GBM-2100-1AER
Module/Caliber: 5729
Type: Analog-Digital
Movement: Tough Solar
Water resistance: 200 meters
Shock resistance: Yes
Case material: Stainless steel and resin
Case color: Polished silver
Strap material: Resin
Strap color: Black
Dial color: Black with carbon texture
Crystal: Mineral
Light: LED
Diameter: 44.4 mm
Thickness: 11.9 mm
Weight: 72.0 g
Functions: Bluetooth, Tough Solar, World time, Stopwatch 1/100 sec, Timer, 5 alarms, Auto calendar, Hourly signal
Battery: CTL1616
Made for: Men

User manual

Download the manual in English (PDF)