CASIO G-SHOCK GA-2100CM-8ADR 2100 ANALOG-DIGITAL GREY METALLIC CAMO WATCH
GA-2100CM-8ADR
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- 1 Year Warranty
Case size (L× W× H): 48.5 × 45.4 × 11.8 mm
Weight: 51 g
Case and bezel material: Carbon / Bio-based resin
Bio-based resin band
Mineral Glass
Shock Resistant
Carbon Core Guard structure
Water resistance: 200-meter water resistance
Approx. battery life: 3 years on SR726W X 2
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)
Measuring unit:
1/100 second (for the first 60 minutes)
1 second (after 60 minutes)
Measuring modes: Elapsed time, split time, 1st-2nd place times
Timer
Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
Alarm/hourly time signal
5 daily alarms
Hourly time signal
Light
Double LED light
LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
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 (Hands move out of the way to provide an unobstructed view of digital display contents.)
Regular timekeeping:
Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day)
Digital: Hour, minute, second, pm, month, date
The GA-2100CM-8ADR is the grey metallic camo edition of the GA-2100 — the streamlined octagonal G-Shock dressed in G-Shock's original camouflage pattern with a metallic print finish that elevates the camo from matte military to something with sheen and sophistication. The grey palette sits squarely in gorpcore territory — urban outdoor fashion that blends technical utility with street style. The bezel and band are made with bio-based resin derived from corn, and the G-Shock G-mark is cleverly concealed within the camo pattern on both surfaces.
Module 5611 is the same platform as the metal-bezel GM-2100: analog-digital with two hands (hour, minute) and a day sub-dial, hand shift for unobstructed digital reading, world time across 31 time zones (48 cities), 1/100-second stopwatch with split time, 24-hour countdown timer, five daily alarms, double LED Super Illuminator (separate LEDs for face and digital display), Neobrite lume, and a full auto-calendar to 2099. Carbon Core Guard structure protects the module. At 48.5 × 45.4 × 11.8 mm and just 51 grams, the GA-2100 is one of the lightest and slimmest G-Shocks available — the same 11.8 mm profile as the metal-bezel GM-2100, but 33 grams lighter because the entire case is resin. Shock resistant, 200-metre water resistant. SR726W × 2, approximately three-year battery life.
At a Glance
Why You'll Love It
- The metallic camo print is what sets this apart from standard camo G-Shocks. The grey camouflage has a metallic sheen — a reflective quality in the print that shifts as light moves across the surface. It's not matte military camo; it's fashion camo with a metallic finish that reads as sophisticated rather than tactical. The grey-on-grey tonal palette works with gorpcore, urban outdoor, and monochrome streetwear — essentially any outfit where texture matters more than colour.
- At 51 grams, the GA-2100CM is one of the lightest G-Shocks you can buy. For context, the metal-bezel GM-2100YRA is 84 grams and the Bold Camo DW-6900CF is 67 grams. The all-resin construction with Carbon Core Guard keeps the watch featherweight without compromising shock resistance. If you want the 2100's slim octagonal profile without any metal weight, this is it.
- The 11.8 mm slim profile is identical to the metal-bezel GM-2100. The GA-2100CM slides under a shirt cuff, sits flat on the wrist, and doesn't catch on sleeves. Combined with the 51-gram weight, it's one of the most comfortable G-Shocks for all-day wear — you forget it's there.
- Bio-based resin made from corn-derived polymer is used for the bezel and band. It's the same material used in other recent G-Shock releases — produced using renewable organic resources to reduce environmental impact. The sustainability angle is part of the gorpcore identity: outdoor fashion with environmental awareness.
- The hidden G-mark is woven into the camo pattern on the bezel and band — a discovery detail that reveals itself on close inspection. G-Shock's original camo design, not a stock military pattern.
- Hand shift, world time (48 cities), double LED, 5 daily alarms, Carbon Core Guard — the full GA-2100 spec sheet in a 51-gram camo package. The functions don't scale down with the weight.
Perfect For
Key Features
- Grey metallic camo print — Original G-Shock camouflage pattern with metallic sheen finish on bio-based resin. Hidden G-mark concealed in the camo on bezel and band.
- Ultra-light — 51 g — One of the lightest G-Shocks available. All-resin construction with Carbon Core Guard. Same slim 11.8 mm profile as the metal-bezel GM-2100.
- Hand shift + Double LED Super Illuminator — Hands retract for clear digital reading. Separate LEDs for analog face and digital display.
- World time — 31 time zones (48 cities + UTC) — With daylight saving on/off switching.
- Bio-based resin — Bezel and band made from corn-derived polymer. Renewable organic resource with reduced environmental impact.
- 200-metre water resistance (20 BAR) — Suitable for swimming, snorkelling, and recreational water sports.
Technical Specifications
| Case & Build | |
|---|---|
| Model Number | GA-2100CM-8ADR |
| Module | 5611 |
| Case Material | Carbon / Bio-Based Resin |
| Exterior Pattern | Grey Metallic Camouflage Print (Bezel & Band) |
| Construction | Shock Resistant, Carbon Core Guard |
| Glass | Mineral Glass |
| Case Size (L × W × H) | 48.5 × 45.4 × 11.8 mm |
| Weight | 51 g |
| Water Resistance | 200 Metres (20 BAR) |
| Band | |
|---|---|
| Material | Bio-Based Resin |
| Pattern | Grey Metallic Camouflage with Hidden G-Mark |
| Wrist Size | 145 – 215 mm |
| Clasp | Tang Buckle |
| Movement & Power | |
|---|---|
| Movement Type | Quartz Analog-Digital |
| Analog Display | 2 hands (Hour, Minute — moves every 20 seconds), 1 sub-dial (Day) |
| Digital Display | Hour, Minute, Second, AM/PM, Month, Date |
| Hand Shift | Yes — hands retract for unobstructed digital view |
| Accuracy | ±15 seconds per month |
| Battery | SR726W × 2 |
| Battery Life | Approx. 3 years |
| Display & Light | |
|---|---|
| Lume | Neobrite |
| Backlight | Double LED Super Illuminator (Face + Digital, separate LEDs) |
| Illumination Duration | Selectable 1.5s or 3s, afterglow |
| LED Colour | White |
| Functions | |
|---|---|
| World Time | 31 time zones (48 cities + UTC), DST on/off |
| Stopwatch | 1/100-second (first 60 min) / 1-second (after 60 min), 24-hour capacity; elapsed, split, 1st–2nd place |
| Countdown Timer | 1-second unit, 1 sec – 24 hours |
| Alarm | 5 daily alarms + hourly time signal |
| Calendar | Full auto-calendar to 2099 |
| Time Format | 12/24-hour |
| Mute | Button tone on/off |
Best Matched With
Frequently Asked Questions
Why Buy from City Chain Singapore
Extra $15 OFF with min. $200 spend
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Delivery within Singapore | Order by 11AM
(Checkout options may vary depending on minimum order requirements)
• Free Standard Delivery (3 business days)
• Free Next Day Delivery
• Express Delivery at $30 (order by 2PM)
• Click & Collect (ready in 2–3 business days)
Weekend & Public Holiday Orders
Orders placed during this time will be processed on the next business day.
For online purchase, you can have bracelet or leather strap adjustments done at any City Chain store. Please bring along your warranty book for the service.
