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The simple science of quartz watches
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G-Shock · G-Steel
Full Metal Chrono
Ref. GMCB2100Y1A
Watch details and strap advice
- Case diameter
- 46.3 mm
- Case height
- 12.4 mm
- Case material
- Stainless Steel
- Case shape
- Octagonal
- Water resistance
- 200 m
- Movement
- Quartz
- Dial
- Grey
The G-Shock Full Metal Chrono takes a 25 mm strap: measure between the lugs and that is the only number you need. Built for water, it wears naturally on rubber or a nylon NATO; a leather strap keeps it for dry days. With a 46.3 mm case and 200 m of water resistance, a thicker strap balances the case. Quartz movement. Most straps here come with quick-release spring bars, so the swap takes a minute and no tool.
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