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The Casio G-Shock GM-B2100BD-1A is a full-metal analog-digital watch with Tough Solar power and Bluetooth Mobile Link. It pairs a stainless steel case and bracelet with a black ion-plated finish, 200-meter water resistance, and shock resistance. The watch connects to a phone for auto time adjustment, world time, and phone finder. Compared with resin G-Shocks, it offers a more premium feel but weighs more and costs more. Reviewers praise its build and solar power, though some find the all-black finish hard to read and the Bluetooth setup finicky.
In stockSold by CW WATCHESReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
Owners appreciate the full-metal build, solar charging, and Bluetooth convenience. Some criticize the weight, legibility of the black dial, and occasional Bluetooth connection issues.
The Casio G-Shock GM-B2100BD-1A is a men's analog-digital watch with a stainless steel case and bracelet. Both have a black ion-plated finish. The dial is black and is covered by mineral crystal. The case back is screwed down, and the bracelet closes with a buckle clasp.
It runs on a quartz movement (caliber 5691) powered by Tough Solar. The watch is shock resistant and water resistant to 200 m. Mobile Link connects it to a phone for automatic time adjustment and easy watch setting. It also offers Time & Place Reminder and Phone Finder.
Timekeeping features include world time for approximately 300 cities, a 1/100-second stopwatch, a countdown timer, 5 daily alarms and an hourly time signal. It has a full auto calendar with month, day and date display, and a 12/24-hour display. Two LED lights and luminous hands and markers help with reading in the dark. Power saving, a battery level indicator, a hand shift feature and button sound on/off are also included.
