
Casio G-Shock Analog Digital Smartphone Link Black Dial Resin Solar GA-B2100BEG-1A 200M Men's Watch
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The GA-B2100 is Casio's slim octagonal G-Shock with Tough Solar charging and Bluetooth phone link. It pairs with the Casio Watches app for automatic time sync, easy alarm and timer setup, and a phone finder, while the solar cell keeps it running without battery swaps. At 11.9 mm thick with Carbon Core Guard construction, it wears lighter and flatter than older 2100 models and most chunky G-Shocks. Reviewers rate it as a tough, low-maintenance daily watch; the main complaints are the small negative LCD and the fiddly analog hands against busy dials.
In stockSold by MunnyReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
Owners describe the GA-B2100 as a comfortable, rugged everyday watch whose solar power and phone sync make it set-and-forget. Many praise the slim case and the classic 2100 look. The most common complaints are legibility of the small digital display and the busy dial.
The Casio G-Shock GA-B2100BEG-1A is an analog-digital men's watch in the 2100 series, with an octagonal case. It comes in black with electro green accents. The case is 11.9 mm thick.
It is built with Carbon Core Guard and bio-based resin for shock resistance. The crystal is mineral glass. Neobrite coating and an LED light help with reading the display in the dark.
Tough Solar power keeps the watch charged. Bluetooth Smartphone Link keeps it connected to a phone. The watch is water resistant to 200 m. It offers world time for 38 time zones, a stopwatch, a countdown timer, multiple alarms, a calendar and a mute function.












