Casio G-Shock GM-2100G-1A9ER | Shock Resistant, World Time, LED Light
Authentic Casio — Authorised Seller Sold by Gadgeticloud. Every watch includes the full manufacturer’s warranty.
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Golden Edge, Unyielding Spirit: The G-Shock GM-2100G-1A9ER
For the urban explorer who demands both rugged resilience and refined style, this G-Shock offers the best of both worlds. Its striking gold ion-plated bezel elevates the iconic octagonal design, making it perfect for those who navigate cityscapes and outdoor adventures with equal confidence.
Specifications
| Model Number | GM-2100G-1A9ER |
| Case Size (L×W×H) | 49.3 × 44.4 × 11.8 mm |
| Weight | 72 g |
| Case and Bezel Material | Resin / Stainless steel |
| Band | Resin Band |
| Construction | Shock Resistant |
| Power Supply | Approx. 3 years on SR726W × 2 |
| Glass | Mineral Glass |
| Surface Treatment | Gold ion plated bezel |
| Compatible Band Size | 145 to 215mm |
| Water Resistance | 20 bar |
| World Time | 31 time zones (48 cities + coordinated universal time), daylight saving on/off |
| Stopwatch | 1/100-second stopwatch; Measuring capacity: 00'00''00~59'59''99 (for the first 60 minutes); 1:00'00~23:59'59 (after 60 minutes) |
| Timer | Countdown timer; Measuring unit: 1 second; Countdown range: 24 hours |
| Light | Double LED light (Super illuminator, selectable illumination duration) |
| Light Color | LED:White |
| Calendar | Full auto-calendar (to year 2099) |
| Mute Feature | Button operation tone on/off |
| Accuracy | ±15 seconds per month |
| Other Features | 12/24-hour format; Hand shift feature; Neobrite |
| Regular Timekeeping | Analog: 2 hands, 1 dial (day); Digital: Hour, minute, second, pm, month, date |
| Type | Digital + Analog |
| Color | Gold |
| Product Launch Date | Aug 2022 |
Key Features
- Shock Resistant construction for ultimate durability.
- 200-meter water resistance suitable for swimming and diving.
- Gold ion-plated stainless steel bezel for a premium finish.
- Double LED light with Super Illuminator for clear visibility in any condition.
- World Time function covering 31 time zones (48 cities + UTC).
- Hand shift feature moves hands to provide an unobstructed view of digital display.



