CASIO G-SHOCK GA-2100K-5ADR 2100 ANALOG-DIGITAL TRANSLUCENT SMOKY AMBER WATCH
GA-2100K-5ADR
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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 / Resin
Resin Band
Mineral Glass
Shock Resistant
Carbon Core Guard structure
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
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
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
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)
Light color
LED:White
Calendar
Full auto-calendar (to year 2099)
Mute feature
Button operation tone on/off
Accuracy
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-2100K-5ADR is the smoky amber variant of the nightlife-inspired GA-2100K — a GA-2100 that draws its visual language from nightclubs and music festivals rather than the outdoors. The bezel and band are translucent resin with a matte finish that creates a foggy, hazy texture reminiscent of a dance floor shrouded in machine-generated smoke. Through the translucent amber material, the internal structure of the watch is partially visible — a see-through effect that adds depth and visual intrigue. Neon accent details sparkle like laser strobes cutting through the haze, and a newly developed smooth dial surface with a glossy piano-black finish provides a rich, reflective centre that anchors the design.
Module 5611 is the same GA-2100 platform used across the 2100 range: analog-digital with two hands and a day sub-dial, hand shift, 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, Neobrite lume, Carbon Core Guard, and a full auto-calendar to 2099. At 48.5 × 45.4 × 11.8 mm and 51 grams — the same ultra-light, slim profile as every resin GA-2100. Shock resistant, 200-metre water resistant. SR726W × 2, approximately three-year battery life.
At a Glance
Why You'll Love It
- The nightlife concept is what makes the GA-2100K different from every other GA-2100 colourway. The translucent matte bezel and band aren't just transparent resin — the matte finish creates a foggy, hazy quality that Casio describes as reminiscent of dance-floor haze from a fog machine. The smoky amber tone gives the watch a warm, mysterious look that shifts between opaque and see-through depending on the light angle. It's a watch that belongs under club lights, festival stages, and late-night city streets.
- The newly developed smooth dial surface with a piano-black gloss finish is specific to the GA-2100K series. The surface has a depth and richness that standard G-Shock dials don't achieve — the glossy black reflects light and creates a mirror-like centre behind the hands. Casio calls it "the incredible depth of piano black", and it's a noticeable upgrade in dial finishing over standard GA-2100 models.
- Neon accent details are designed to evoke laser strobes in a dark venue — bright, sharp colour points against the smoky translucent body and piano-black dial. The contrast between the hazy matte exterior and the sharp neon accents is the visual tension that drives the nightlife theme.
- The translucent case partially reveals the internal structure of the watch — Carbon Core Guard construction, internal components, and the module housing are visible through the smoky amber resin. It adds a mechanical curiosity to the exterior that opaque cases don't offer.
- At 51 grams and 11.8 mm thin, it's comfortable enough to wear for an entire night out — no wrist fatigue during hours of dancing, no snagging on sleeves. The same ultra-light, slim profile as every other resin GA-2100.
- Full Module 5611 spec sheet: hand shift, world time (48 cities), double LED, 5 daily alarms, Carbon Core Guard, 200m water resistance. The nightlife styling is all surface — underneath, it's a fully functional G-Shock.
Perfect For
Key Features
- Translucent smoky amber — matte fog finish — Semi-transparent bezel and band with matte haze texture. Partially reveals internal watch structure. Nightclub fog-machine aesthetic.
- Piano-black dial — Newly developed smooth glossy surface with deep reflective black. A dial finishing upgrade over standard GA-2100 models.
- Neon laser-light accents — Bright neon colour details against the smoky translucent body. Evokes laser strobes in a dark venue.
- Ultra-light — 51 g, 11.8 mm — Carbon Core Guard resin construction. Comfortable for all-night wear.
- Hand shift + Double LED Super Illuminator — Hands retract for clear digital reading. Separate LEDs for analog face and digital display.
- 200-metre water resistance (20 BAR) — Suitable for swimming, snorkelling, and recreational water sports.
Technical Specifications
| Case & Build | |
|---|---|
| Model Number | GA-2100K-5ADR |
| Module | 5611 |
| Case Material | Carbon / Resin |
| Bezel | Translucent Smoky Amber Resin — Matte Finish |
| Dial | Piano-Black Gloss (Newly Developed Smooth Surface) |
| 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 | Resin — Translucent Smoky Amber, Matte Finish |
| 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
Use Code: FORYOU15
Extra $30 OFF with min. $400 spend
Use Code: FORYOU30
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.
