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The GMB2100SD-1A is the full-metal version of the octagonal 2100 series, with a stainless steel case and band, a grey dial, Tough Solar charging and Bluetooth smartphone link. It keeps the slim CasiOak silhouette while adding metal weight and finish that the resin models lack. Buyers get analog-digital timekeeping, 200 m water resistance and automatic time sync through the Casio Watches app. It suits people who want a dressier G-Shock that still takes knocks; it is heavier and less subtle than the resin 2100s, and the polished surfaces show scratches sooner.
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Lowest price we've seen: $392.00 on Nov 10 at CreationWatches.com. Tracked across 8 stores since Nov 10.
Owners rate it highly as a metal G-Shock that looks sharper than the resin 2100s while keeping the toughness. Complaints center on weight, scratches on the polished parts and the modest smart features.
The Casio G-Shock Full Metal GMB2100SD-1A is a men's watch with a combined analog and digital display and a grey dial. It is part of the G-Shock Full Metal line.
The watch runs on Tough Solar power and has a 200-meter water resistance rating. It can link to a smartphone.
