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$37.67
Original: $107.64
-65%CASIO G-SHOCK GA-2000HD-8ADR ANALOG-DIGITAL GREY MEN WATCH—
$107.64
$37.67The Story
The GA-2000HD-8ADR is the tonal, grown-up option in G-Shock's Carbon Core Guard lineup — a fully grey monochromatic case and band paired with a silver dial featuring a geometric camouflage pattern that gives the watch a quiet military-inspired character the loud yellow GA-2000-1A9 and the blue-accented GA-2000-1A2 deliberately avoid. The angular camo segments on the dial catch light at different angles, creating subtle depth shifts across the silver surface without any bright colour accents. Only a touch of luminous green on the hand tips breaks the grey palette, adding just enough contrast for nighttime readability. It's a GA-2000 that leans field watch rather than streetwear — the kind of G-Shock you'd wear with chinos and a field jacket without it looking out of place.
The build is identical to the rest of the GA-2000 series: Carbon Core Guard construction using carbon fibre-reinforced resin for a case that's lighter and more rigid than standard resin, a dual-layered case back (stainless steel + glass fibre resin) for rear impact protection, and the slide lever interchangeable band system for tool-free strap swaps. Module 5590 drives a 3D layered analog-digital dial with hand shift, world time across 48 cities, 1/100-second stopwatch, countdown timer, and five daily alarms. The double LED Super Illuminator lights both the analog face and the digital display independently. Battery life is approximately 3 years on twin SR726W cells — the longest in this price bracket.
At a Glance
Case ColourMatte Grey Carbon Fibre Resin
Band ColourMatte Grey Resin
Dial ColourSilver/Light Grey with Geometric Camo Pattern
Dial FinishAngular Camouflage Segments (Multi-Tonal Grey/Silver)
HandsBlack with Luminous Green Tips
Index StyleBlack Applied Batons
Bezel RingGrey with Minute Numerals (5–55)
Bezel ScrewsExposed Silver Hex × 4
Digital DisplayInverted LCD at 3 o'clock (SPLIT / DST HND)
Mode DialDisc at 9 o'clock (ALM / SIG / MUTE) with Green Ring
Front ButtonSilver/Grey Textured at 6 o'clock
GenderMen
Why You'll Love It
- The fully grey monochromatic colourway makes this the most versatile GA-2000 — it pairs with virtually any outfit colour, from black and navy to olive and khaki, without clashing or drawing excessive attention.
- The geometric camouflage dial isn't printed — the angular segments are layered at different depths across the silver surface, creating a subtle shift in tone and shadow as light moves across the face. It rewards a second look.
- Carbon Core Guard at $199 is outstanding value. Carbon fibre-reinforced resin, dual-layered case back, and slide lever interchangeable bands are typically found at higher price points in the G-Shock range.
- Three-year battery life means you'll likely forget this watch even runs on batteries. At roughly 18 months longer than a GBD-200, it's the lowest-maintenance G-Shock in this feature class.
- The slide lever band system means a spare black or olive strap turns this into a two-watch rotation. Swap in seconds, no tools, no spring bar headaches.
- The grey-on-grey aesthetic leans military/field watch, making this the GA-2000 variant most suited to smart-casual and workwear contexts — not just streetwear and gym.
Perfect For
Key Features
- Carbon Core Guard structure — Carbon fibre-reinforced resin case that's lighter and more rigid than standard resin. Protects the module from drops and impacts without external button guards, keeping the case silhouette clean and uncluttered.
- Geometric camouflage dial — Angular camo segments layered across the silver dial surface create depth and tonal variation without using colour. The pattern is subtle enough for professional settings but detailed enough to hold visual interest up close.
- Slide lever interchangeable band — Push the lever at the band base, slide the strap off, slide a replacement on. No tools needed. Compatible with all GA-2000 replacement bands for quick colour changes.
- Dual-layered case back — Stainless steel panel for airtight water resistance, plus a glass fibre resin layer for rear impact absorption. The flat mounting surface enables the slide lever band system.
- Hand shift feature — Analog hands physically retract when you access digital functions, clearing the view of the LCD at 3 o'clock. They return to the correct time automatically when you exit.
- Double LED Super Illuminator — Separate LEDs light the analog face and the digital display independently with selectable duration (1.5s or 3s) and afterglow. The luminous green hand tips complement the LED for complete darkness readability.
Technical Specifications
The GA-2000HD-8ADR is a Carbon Core Guard analog-digital G-Shock running Casio's Module 5590. It features a carbon fibre-reinforced resin case, geometric camouflage dial, dual-layered case back, and slide lever interchangeable band. Case dimensions are 51.2 × 47 × 14.1 mm at 64 g, with 200-metre water resistance and approximately 3-year battery life on 2× SR726W cells.
| Case & Build | |
|---|---|
| Model Number | GA-2000HD-8ADR |
| Module | 5590 |
| Case Material | Carbon Fibre-Reinforced Resin |
| Structure | Carbon Core Guard |
| Case Back | Dual-Layered (Stainless Steel + Glass Fibre Resin) |
| Glass | Mineral Glass |
| Case Size (L × W × H) | 51.2 × 47 × 14.1 mm |
| Weight | 64 g |
| Shock Resistance | Yes (Carbon Core Guard) |
| Water Resistance | 200 Metres (20 BAR) |
| Band | |
|---|---|
| Material | Resin |
| Colour | Matte Grey |
| Attachment | Slide Lever (Tool-Free Interchangeable) |
| Clasp | Tang Buckle |
| Movement & Power | |
|---|---|
| Movement Type | Quartz Analog-Digital |
| Analog Display | 2 hands (hour, minute — moves every 20 seconds) + 1 disc dial (mode) |
| Digital Display | Inverted LCD (hour, minute, second, AM/PM, month, date, day) |
| Accuracy | ±15 seconds per month |
| Battery | SR726W × 2 |
| Battery Life | Approx. 3 years |
| Display & Light | |
|---|---|
| Dial | 3D Layered, Silver/Grey Geometric Camouflage |
| Lume | Luminous Green Hand Tips |
| Backlight | Double LED Super Illuminator (Face + Digital), Afterglow |
| Illumination Duration | Selectable 1.5s or 3s |
| LED Colour | White |
| Functions | |
|---|---|
| World Time | 31 time zones (48 cities + UTC), DST on/off, home/world city swap |
| Stopwatch | 1/100-second (up to 60 min) / 1-second (after 60 min), 24-hour capacity; elapsed, split, 1st–2nd place |
| Countdown Timer | 1-second unit, up to 24 hours |
| Alarm | 5 daily alarms + hourly time signal |
| Calendar | Full auto-calendar to 2099 |
| Hand Shift | Yes (hands clear digital display on demand) |
| Time Format | 12/24-hour |
| Button Tone | On/Off (mute function) |
Best Matched With
Frequently Asked Questions
What's the difference between the GA-2000HD-8ADR (grey camo) and the GA-2000-1A9DR (yellow)?
Identical Carbon Core Guard construction, Module 5590, and functions. The difference is entirely aesthetic. The HD-8A is a monochromatic grey with a geometric camouflage dial — a muted, military-inspired look suited to smart-casual and field-style outfits. The 1A9 uses a bright yellow bi-colour band with yellow dial accents for maximum streetwear contrast. Choose the grey if you want a versatile everyday watch that pairs with anything; choose the yellow if you want a deliberate statement piece.
Which GA-2000 should I buy? A quick buying guide.
All GA-2000 variants share Carbon Core Guard, Module 5590, and slide lever bands. The GA-2000HD-8ADR (grey camo) is the most mature and versatile — workwear, smart-casual, field style. The GA-2000-1A9DR (yellow/black) is the loudest — streetwear and sneaker culture. The GA-2000-1A2 (blue/black) is the middle ground. The GA-2000S-1A (all-black) is the safest stealth option. Pick based on wardrobe context — they're all identical inside.
What is the geometric camouflage dial?
The dial uses angular, hard-edged camouflage segments in multiple tones of silver and grey, layered at slightly different depths across the 3D dial surface. It's inspired by urban/digital camouflage patterns rather than traditional woodland camo. The effect is subtle — from a distance it reads as a textured silver dial; up close the angular pattern becomes visible and catches light differently across each segment.
Does the GA-2000 have Bluetooth or fitness tracking?
No. The GA-2000 is a pure analog-digital G-Shock with no Bluetooth, no step counter, and no smartphone connectivity. Time is set manually. If you want Bluetooth and fitness tracking, the GBD-200 (digital) or GBA-900/GBA-950 (analog-digital) are the options. The GA-2000 is for people who want a well-built, visually distinctive watch without app dependencies.
Can I swap the band without tools?
Yes. The slide lever mechanism at the band base releases the strap instantly. Push the lever, slide the band off, slide a replacement on. Compatible with all GA-2000 replacement bands. A black or olive strap would give this grey-camo variant a completely different character.
How does the GA-2000 compare to the GA-2100?
Different design language. The GA-2100 is thinner (11.8mm vs 14.1mm), lighter (51g vs 64g), and has a minimalist octagonal bezel. The GA-2000 is chunkier and more industrial, with exposed hex screws, a 3D layered dial, disc mode indicator, and a large front button. The GA-2000 also adds Carbon Core Guard construction and tool-free interchangeable bands. Choose the GA-2000 for presence and toughness; choose the GA-2100 for slimness and subtlety.
Can I swim with this watch?
Yes. Rated to 200 metres (20 BAR), covering swimming, snorkelling, and recreational surface water sports. Not rated for scuba diving.
What warranty does this watch come with?
The GA-2000HD-8ADR comes with Casio's official 1-year warranty when purchased from City Chain Singapore, an authorised Casio retailer.
Why Buy from City Chain Singapore
Authorised Retailer Official Casio warranty
100% Authentic Genuine Casio product
Free Shipping Within Singapore
Secure Checkout Visa, Mastercard, PayLater
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
The GA-2000HD-8ADR is the tonal, grown-up option in G-Shock's Carbon Core Guard lineup — a fully grey monochromatic case and band paired with a silver dial featuring a geometric camouflage pattern that gives the watch a quiet military-inspired character the loud yellow GA-2000-1A9 and the blue-accented GA-2000-1A2 deliberately avoid. The angular camo segments on the dial catch light at different angles, creating subtle depth shifts across the silver surface without any bright colour accents. Only a touch of luminous green on the hand tips breaks the grey palette, adding just enough contrast for nighttime readability. It's a GA-2000 that leans field watch rather than streetwear — the kind of G-Shock you'd wear with chinos and a field jacket without it looking out of place.
The build is identical to the rest of the GA-2000 series: Carbon Core Guard construction using carbon fibre-reinforced resin for a case that's lighter and more rigid than standard resin, a dual-layered case back (stainless steel + glass fibre resin) for rear impact protection, and the slide lever interchangeable band system for tool-free strap swaps. Module 5590 drives a 3D layered analog-digital dial with hand shift, world time across 48 cities, 1/100-second stopwatch, countdown timer, and five daily alarms. The double LED Super Illuminator lights both the analog face and the digital display independently. Battery life is approximately 3 years on twin SR726W cells — the longest in this price bracket.
At a Glance
Case ColourMatte Grey Carbon Fibre Resin
Band ColourMatte Grey Resin
Dial ColourSilver/Light Grey with Geometric Camo Pattern
Dial FinishAngular Camouflage Segments (Multi-Tonal Grey/Silver)
HandsBlack with Luminous Green Tips
Index StyleBlack Applied Batons
Bezel RingGrey with Minute Numerals (5–55)
Bezel ScrewsExposed Silver Hex × 4
Digital DisplayInverted LCD at 3 o'clock (SPLIT / DST HND)
Mode DialDisc at 9 o'clock (ALM / SIG / MUTE) with Green Ring
Front ButtonSilver/Grey Textured at 6 o'clock
GenderMen
Why You'll Love It
- The fully grey monochromatic colourway makes this the most versatile GA-2000 — it pairs with virtually any outfit colour, from black and navy to olive and khaki, without clashing or drawing excessive attention.
- The geometric camouflage dial isn't printed — the angular segments are layered at different depths across the silver surface, creating a subtle shift in tone and shadow as light moves across the face. It rewards a second look.
- Carbon Core Guard at $199 is outstanding value. Carbon fibre-reinforced resin, dual-layered case back, and slide lever interchangeable bands are typically found at higher price points in the G-Shock range.
- Three-year battery life means you'll likely forget this watch even runs on batteries. At roughly 18 months longer than a GBD-200, it's the lowest-maintenance G-Shock in this feature class.
- The slide lever band system means a spare black or olive strap turns this into a two-watch rotation. Swap in seconds, no tools, no spring bar headaches.
- The grey-on-grey aesthetic leans military/field watch, making this the GA-2000 variant most suited to smart-casual and workwear contexts — not just streetwear and gym.
Perfect For
Key Features
- Carbon Core Guard structure — Carbon fibre-reinforced resin case that's lighter and more rigid than standard resin. Protects the module from drops and impacts without external button guards, keeping the case silhouette clean and uncluttered.
- Geometric camouflage dial — Angular camo segments layered across the silver dial surface create depth and tonal variation without using colour. The pattern is subtle enough for professional settings but detailed enough to hold visual interest up close.
- Slide lever interchangeable band — Push the lever at the band base, slide the strap off, slide a replacement on. No tools needed. Compatible with all GA-2000 replacement bands for quick colour changes.
- Dual-layered case back — Stainless steel panel for airtight water resistance, plus a glass fibre resin layer for rear impact absorption. The flat mounting surface enables the slide lever band system.
- Hand shift feature — Analog hands physically retract when you access digital functions, clearing the view of the LCD at 3 o'clock. They return to the correct time automatically when you exit.
- Double LED Super Illuminator — Separate LEDs light the analog face and the digital display independently with selectable duration (1.5s or 3s) and afterglow. The luminous green hand tips complement the LED for complete darkness readability.
Technical Specifications
The GA-2000HD-8ADR is a Carbon Core Guard analog-digital G-Shock running Casio's Module 5590. It features a carbon fibre-reinforced resin case, geometric camouflage dial, dual-layered case back, and slide lever interchangeable band. Case dimensions are 51.2 × 47 × 14.1 mm at 64 g, with 200-metre water resistance and approximately 3-year battery life on 2× SR726W cells.
| Case & Build | |
|---|---|
| Model Number | GA-2000HD-8ADR |
| Module | 5590 |
| Case Material | Carbon Fibre-Reinforced Resin |
| Structure | Carbon Core Guard |
| Case Back | Dual-Layered (Stainless Steel + Glass Fibre Resin) |
| Glass | Mineral Glass |
| Case Size (L × W × H) | 51.2 × 47 × 14.1 mm |
| Weight | 64 g |
| Shock Resistance | Yes (Carbon Core Guard) |
| Water Resistance | 200 Metres (20 BAR) |
| Band | |
|---|---|
| Material | Resin |
| Colour | Matte Grey |
| Attachment | Slide Lever (Tool-Free Interchangeable) |
| Clasp | Tang Buckle |
| Movement & Power | |
|---|---|
| Movement Type | Quartz Analog-Digital |
| Analog Display | 2 hands (hour, minute — moves every 20 seconds) + 1 disc dial (mode) |
| Digital Display | Inverted LCD (hour, minute, second, AM/PM, month, date, day) |
| Accuracy | ±15 seconds per month |
| Battery | SR726W × 2 |
| Battery Life | Approx. 3 years |
| Display & Light | |
|---|---|
| Dial | 3D Layered, Silver/Grey Geometric Camouflage |
| Lume | Luminous Green Hand Tips |
| Backlight | Double LED Super Illuminator (Face + Digital), Afterglow |
| Illumination Duration | Selectable 1.5s or 3s |
| LED Colour | White |
| Functions | |
|---|---|
| World Time | 31 time zones (48 cities + UTC), DST on/off, home/world city swap |
| Stopwatch | 1/100-second (up to 60 min) / 1-second (after 60 min), 24-hour capacity; elapsed, split, 1st–2nd place |
| Countdown Timer | 1-second unit, up to 24 hours |
| Alarm | 5 daily alarms + hourly time signal |
| Calendar | Full auto-calendar to 2099 |
| Hand Shift | Yes (hands clear digital display on demand) |
| Time Format | 12/24-hour |
| Button Tone | On/Off (mute function) |
Best Matched With
Frequently Asked Questions
What's the difference between the GA-2000HD-8ADR (grey camo) and the GA-2000-1A9DR (yellow)?
Identical Carbon Core Guard construction, Module 5590, and functions. The difference is entirely aesthetic. The HD-8A is a monochromatic grey with a geometric camouflage dial — a muted, military-inspired look suited to smart-casual and field-style outfits. The 1A9 uses a bright yellow bi-colour band with yellow dial accents for maximum streetwear contrast. Choose the grey if you want a versatile everyday watch that pairs with anything; choose the yellow if you want a deliberate statement piece.
Which GA-2000 should I buy? A quick buying guide.
All GA-2000 variants share Carbon Core Guard, Module 5590, and slide lever bands. The GA-2000HD-8ADR (grey camo) is the most mature and versatile — workwear, smart-casual, field style. The GA-2000-1A9DR (yellow/black) is the loudest — streetwear and sneaker culture. The GA-2000-1A2 (blue/black) is the middle ground. The GA-2000S-1A (all-black) is the safest stealth option. Pick based on wardrobe context — they're all identical inside.
What is the geometric camouflage dial?
The dial uses angular, hard-edged camouflage segments in multiple tones of silver and grey, layered at slightly different depths across the 3D dial surface. It's inspired by urban/digital camouflage patterns rather than traditional woodland camo. The effect is subtle — from a distance it reads as a textured silver dial; up close the angular pattern becomes visible and catches light differently across each segment.
Does the GA-2000 have Bluetooth or fitness tracking?
No. The GA-2000 is a pure analog-digital G-Shock with no Bluetooth, no step counter, and no smartphone connectivity. Time is set manually. If you want Bluetooth and fitness tracking, the GBD-200 (digital) or GBA-900/GBA-950 (analog-digital) are the options. The GA-2000 is for people who want a well-built, visually distinctive watch without app dependencies.
Can I swap the band without tools?
Yes. The slide lever mechanism at the band base releases the strap instantly. Push the lever, slide the band off, slide a replacement on. Compatible with all GA-2000 replacement bands. A black or olive strap would give this grey-camo variant a completely different character.
How does the GA-2000 compare to the GA-2100?
Different design language. The GA-2100 is thinner (11.8mm vs 14.1mm), lighter (51g vs 64g), and has a minimalist octagonal bezel. The GA-2000 is chunkier and more industrial, with exposed hex screws, a 3D layered dial, disc mode indicator, and a large front button. The GA-2000 also adds Carbon Core Guard construction and tool-free interchangeable bands. Choose the GA-2000 for presence and toughness; choose the GA-2100 for slimness and subtlety.
Can I swim with this watch?
Yes. Rated to 200 metres (20 BAR), covering swimming, snorkelling, and recreational surface water sports. Not rated for scuba diving.
What warranty does this watch come with?
The GA-2000HD-8ADR comes with Casio's official 1-year warranty when purchased from City Chain Singapore, an authorised Casio retailer.
Why Buy from City Chain Singapore
Authorised Retailer Official Casio warranty
100% Authentic Genuine Casio product
Free Shipping Within Singapore
Secure Checkout Visa, Mastercard, PayLater
