Casio G-Shock Pro GMC-B2100 watch, steel, GMC-B2100ADS-1AER

Silver-coloured steel Casio G-Shock GMC-B2100ADS-1AER watch with octagonal bezel, chronograph and Tough Solar

The octagonal steel bezel and full steel bracelet give this Casio G-Shock watch a sturdy look. The silver-coloured dial has three black subdials and a date window, and the bezel reads MODE, LIGHT, CONNECT, FIND and PROTECTION. The case is 46.3 mm wide and 12.4 mm thick, and the watch weighs 171 g.

Tough Solar charges the watch with light, and the battery charge level can be seen on the watch. The Bluetooth connection syncs the time with a smartphone automatically. Functions include world time, dual time, stopwatch, timer, daily alarm and LED light. Water resistance of 200 m / 20 atm is suitable for swimming, water sports and free diving, but not for scuba diving. The history of G-SHOCK begins in 1983 with Kikuo Ibe's DW-5000C model.

Product number: GMC-B2100ADS-1AER
Brand: Casio
Product category: Men's watches
Movement: Tough Solar (solar charging)
Features: Chronograph, date display, alarm, world time, dual time, timer, battery charge level indicator
Connectivity: Bluetooth, automatic time sync with smartphone
Light: LED light (Super Illuminator) with afterglow
Crystal: Mineral glass
Case material: Stainless steel
Case color: Silver/gray
Case width: 46.3 mm
Case thickness: 12.4 mm
Dimensions: 51.3 × 46.3 × 12.4 mm
Weight: 171 g
Bracelet material: Stainless steel
Bracelet color: Silver/gray
Bracelet length (wrist circumference): 150–205 mm
Dial color: Silver
Water resistance: 200 m / 20 atm
Construction: Shock-resistant, screw-lock crown
Calendar: Fully automatic until 2099
Place of manufacture: Yamagata Mother Factory, Japan

Frequently asked questions

What is water resistance of 200 m / 20 atm suitable for?
The watch is suitable for swimming, water sports, snorkeling and free diving. It is not marked Diver's, so it is not intended for scuba diving. The crown and buttons must not be operated underwater.

How is the watch charged?
The watch has Tough Solar, which charges it with light. The battery charge level can be seen on the watch.

What is the case size, and what wrist does the bracelet fit?
The case is 46.3 mm wide and 12.4 mm thick, and the watch weighs 171 g. The bracelet length fits a wrist of 150–205 mm.

How is the time set on the watch?
The Bluetooth connection syncs the time with a smartphone automatically. There are about 300 world time cities.