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$37.67
Original: $107.64
-65%CASIO G-SHOCK GA-2000-1A9DR STANDARD ANALOG-DIGITAL YELLOW BLACK WATCH—
$107.64
$37.67The Story
The GA-2000-1A9DR is the high-visibility statement piece in G-Shock's Carbon Core Guard lineup. Where the GA-2000S-1A goes full stealth in all-black and the GA-2000-1A2 opts for subtle blue accents, this variant pairs a black carbon fibre case with a bright yellow bi-colour band and matching yellow accents across the hands, disc dial ring, and second markers. It's a deliberately loud two-tone combination — the kind of watch that catches attention from across the room and anchors a streetwear outfit the way a pair of bold sneakers would. Four exposed silver screws on the bezel and a diamond-textured bezel crown reinforce the industrial, tool-watch character.
Structurally, the GA-2000 is built around Casio's Carbon Core Guard — a case made from fine resin reinforced with carbon fibre that's lighter and more rigid than standard resin. A dual-layered case back (stainless steel panel + glass fibre resin cover) absorbs rear impacts, and the shock-proof button construction eliminates the need for external button guards, keeping the silhouette clean. The band attaches via a slide lever mechanism — no tools needed to swap between the included yellow strap and any compatible replacement. Under the hood it runs Module 5590 with a 3D layered analog-digital dial, hand shift, world time across 48 cities, and a 1/100-second stopwatch. Double LED lights the analog face and digital display independently. Battery life is approximately 3 years on twin SR726W cells.
At a Glance
Case ColourBlack Carbon Fibre Resin
Bezel FinishMatte Black with Diamond Texture Crown
Band ColourYellow (Outer) / Black (Inner) — Bi-Colour Moulded
Dial ColourBlack with Layered 3D Construction
Accent ColourYellow (Hands, Disc Dial Ring, Second Markers, WR 20BAR Text)
HandsYellow Hour & Minute with Lume
Index StyleApplied Black Batons with Yellow Outlines
Bezel ScrewsExposed Silver/Steel × 4
Digital DisplayInverted LCD at 3 o'clock (SPLIT / DST HND)
Mode DialDisc at 9 o'clock (ALM / SIG / MUTE)
Front ButtonLarge Black at 6 o'clock (Light)
GenderMen
Why You'll Love It
- The yellow-on-black colourway turns a tough tool watch into a wrist-level statement piece. It has the visual impact of a chunky sneaker — bold, intentional, impossible to miss.
- Carbon Core Guard means the case is lighter and more rigid than standard resin G-Shocks. At 64 grams for a watch this size (51.2 × 47 mm), it wears more comfortably than it looks.
- The slide lever band system lets you swap straps in seconds without tools. Buy a spare black strap and you've got two different watches for two different moods.
- Three-year battery life on twin cells means roughly 50% longer between replacements than the typical 2-year G-Shock — less maintenance, more wearing.
- The 3D layered dial gives the face genuine depth. The disc mode indicator at 9 o'clock, the inverted LCD at 3 o'clock, and the raised index ring all sit at different elevations — it looks more complex and more expensive than it is.
- Hand shift moves the analog hands out of the way when you're reading digital data. No more tilting your wrist to peek past the minute hand at the date display.
Perfect For
Key Features
- Carbon Core Guard structure — The case is moulded from carbon fibre-reinforced resin — lighter than standard resin, significantly more rigid. It shields the internal module from drops and impacts without adding bulk, and removes the need for external button guards on the case sides.
- Dual-layered case back — A stainless steel panel maintains airtight water resistance while a second glass fibre resin layer absorbs rear impacts. This two-layer design also creates a flat mounting surface for the slide lever band system.
- Slide lever interchangeable band — A small lever at the band base releases the strap without any tools. Swap between the yellow band and any compatible GA-2000 replacement band in seconds. Useful for matching your watch to different outfits or switching between a beat-up gym strap and a clean daily-wear one.
- 3D layered analog-digital dial — Multiple dial layers sit at different heights, creating depth and visual complexity. The disc mode indicator at 9 o'clock, inverted digital window at 3 o'clock, and raised index ring each occupy distinct planes.
- Hand shift feature — When you access stopwatch, timer, or world time functions, the hour and minute hands physically retract to clear the digital display. They return to the correct position automatically when you exit the function.
- Double LED Super Illuminator — Separate LEDs light the analog face and the digital display independently, with selectable duration (1.5s or 3s) and afterglow. Both fire white for consistent readability in the dark.
Technical Specifications
The GA-2000-1A9DR is a Carbon Core Guard analog-digital G-Shock running Casio's Module 5590. It features a carbon fibre-reinforced resin case, dual-layered case back, slide lever interchangeable band, 3D layered dial, and double LED illumination. 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-2000-1A9DR |
| 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 (Bi-Colour Moulded) |
| Colour | Yellow (Outer) / Black (Inner) |
| 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 Construction, Black |
| 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-2000-1A9DR (yellow) and the GA-2000-1A2 (blue)?
Identical specs and construction — same Carbon Core Guard case, Module 5590, slide lever band, and functions. The only difference is colour. The 1A9DR uses a yellow bi-colour band with yellow dial accents for a high-contrast, streetwear-forward look. The 1A2 uses blue accents for a more subdued, versatile tone. Both share the black carbon fibre case. Choose yellow if you want maximum visibility and wrist presence; choose blue if you want something bolder than all-black but still office-appropriate.
Which GA-2000 should I buy? A quick buying guide.
The GA-2000 line shares the same Carbon Core Guard case, Module 5590, and slide lever band system across all variants. The GA-2000-1A9DR (yellow/black) is the boldest — ideal for streetwear and sneaker culture. The GA-2000-1A2 (blue/black) is the middle ground between bold and wearable. The GA-2000S-1A (all-black) is the most versatile and understated. The GA-2000HD-8A (grey utility) leans into a military/field watch aesthetic. Pick based on wardrobe, not features — they're all identical inside.
What is Carbon Core Guard?
Carbon Core Guard is Casio's case construction using resin reinforced with carbon fibre. The carbon fibres increase rigidity beyond standard resin while keeping the case lightweight. The result is a watch that resists deformation from drops and impacts better than a conventional resin G-Shock, without the weight penalty of a metal case. It's the same core technology used in higher-end G-Shocks like the Mudmaster.
Can I swap the band without tools?
Yes. The GA-2000 uses a slide lever mechanism at the band base. Push the lever, slide the band off, slide a replacement on. No spring bar tool needed. Casio sells replacement GA-2000 bands in different colours, and the bi-colour design means the inner band (black) stays consistent regardless of the outer colour you choose.
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 in a similar price range, look at the GBD-200 (digital) or GBA-950 (analog-digital). If you want a bold, well-built watch without the complexity of app pairing and notifications, the GA-2000 is a deliberately simple choice.
What does "hand shift" mean?
When you access digital functions (stopwatch data, timer, world time), the analog hour and minute hands physically rotate out of the way so they don't block the digital display at 3 o'clock. They return to the correct time position automatically when you exit the function.
How does the GA-2000 compare to the GA-2100 (CasiOak)?
Different design philosophy entirely. 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, more industrial, with exposed screws, a 3D layered dial, a disc mode indicator, and a large front button — it's deliberately aggressive where the GA-2100 is deliberately sleek. The GA-2000 also adds Carbon Core Guard construction and tool-free interchangeable bands, which the standard GA-2100 lacks.
Can I swim with this watch?
Yes. The GA-2000-1A9DR is rated to 200 metres (20 BAR), which covers swimming, snorkelling, and recreational surface water sports. It is not rated for scuba diving.
What warranty does this watch come with?
The GA-2000-1A9DR 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.
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-2000-1A9DR is the high-visibility statement piece in G-Shock's Carbon Core Guard lineup. Where the GA-2000S-1A goes full stealth in all-black and the GA-2000-1A2 opts for subtle blue accents, this variant pairs a black carbon fibre case with a bright yellow bi-colour band and matching yellow accents across the hands, disc dial ring, and second markers. It's a deliberately loud two-tone combination — the kind of watch that catches attention from across the room and anchors a streetwear outfit the way a pair of bold sneakers would. Four exposed silver screws on the bezel and a diamond-textured bezel crown reinforce the industrial, tool-watch character.
Structurally, the GA-2000 is built around Casio's Carbon Core Guard — a case made from fine resin reinforced with carbon fibre that's lighter and more rigid than standard resin. A dual-layered case back (stainless steel panel + glass fibre resin cover) absorbs rear impacts, and the shock-proof button construction eliminates the need for external button guards, keeping the silhouette clean. The band attaches via a slide lever mechanism — no tools needed to swap between the included yellow strap and any compatible replacement. Under the hood it runs Module 5590 with a 3D layered analog-digital dial, hand shift, world time across 48 cities, and a 1/100-second stopwatch. Double LED lights the analog face and digital display independently. Battery life is approximately 3 years on twin SR726W cells.
At a Glance
Case ColourBlack Carbon Fibre Resin
Bezel FinishMatte Black with Diamond Texture Crown
Band ColourYellow (Outer) / Black (Inner) — Bi-Colour Moulded
Dial ColourBlack with Layered 3D Construction
Accent ColourYellow (Hands, Disc Dial Ring, Second Markers, WR 20BAR Text)
HandsYellow Hour & Minute with Lume
Index StyleApplied Black Batons with Yellow Outlines
Bezel ScrewsExposed Silver/Steel × 4
Digital DisplayInverted LCD at 3 o'clock (SPLIT / DST HND)
Mode DialDisc at 9 o'clock (ALM / SIG / MUTE)
Front ButtonLarge Black at 6 o'clock (Light)
GenderMen
Why You'll Love It
- The yellow-on-black colourway turns a tough tool watch into a wrist-level statement piece. It has the visual impact of a chunky sneaker — bold, intentional, impossible to miss.
- Carbon Core Guard means the case is lighter and more rigid than standard resin G-Shocks. At 64 grams for a watch this size (51.2 × 47 mm), it wears more comfortably than it looks.
- The slide lever band system lets you swap straps in seconds without tools. Buy a spare black strap and you've got two different watches for two different moods.
- Three-year battery life on twin cells means roughly 50% longer between replacements than the typical 2-year G-Shock — less maintenance, more wearing.
- The 3D layered dial gives the face genuine depth. The disc mode indicator at 9 o'clock, the inverted LCD at 3 o'clock, and the raised index ring all sit at different elevations — it looks more complex and more expensive than it is.
- Hand shift moves the analog hands out of the way when you're reading digital data. No more tilting your wrist to peek past the minute hand at the date display.
Perfect For
Key Features
- Carbon Core Guard structure — The case is moulded from carbon fibre-reinforced resin — lighter than standard resin, significantly more rigid. It shields the internal module from drops and impacts without adding bulk, and removes the need for external button guards on the case sides.
- Dual-layered case back — A stainless steel panel maintains airtight water resistance while a second glass fibre resin layer absorbs rear impacts. This two-layer design also creates a flat mounting surface for the slide lever band system.
- Slide lever interchangeable band — A small lever at the band base releases the strap without any tools. Swap between the yellow band and any compatible GA-2000 replacement band in seconds. Useful for matching your watch to different outfits or switching between a beat-up gym strap and a clean daily-wear one.
- 3D layered analog-digital dial — Multiple dial layers sit at different heights, creating depth and visual complexity. The disc mode indicator at 9 o'clock, inverted digital window at 3 o'clock, and raised index ring each occupy distinct planes.
- Hand shift feature — When you access stopwatch, timer, or world time functions, the hour and minute hands physically retract to clear the digital display. They return to the correct position automatically when you exit the function.
- Double LED Super Illuminator — Separate LEDs light the analog face and the digital display independently, with selectable duration (1.5s or 3s) and afterglow. Both fire white for consistent readability in the dark.
Technical Specifications
The GA-2000-1A9DR is a Carbon Core Guard analog-digital G-Shock running Casio's Module 5590. It features a carbon fibre-reinforced resin case, dual-layered case back, slide lever interchangeable band, 3D layered dial, and double LED illumination. 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-2000-1A9DR |
| 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 (Bi-Colour Moulded) |
| Colour | Yellow (Outer) / Black (Inner) |
| 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 Construction, Black |
| 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-2000-1A9DR (yellow) and the GA-2000-1A2 (blue)?
Identical specs and construction — same Carbon Core Guard case, Module 5590, slide lever band, and functions. The only difference is colour. The 1A9DR uses a yellow bi-colour band with yellow dial accents for a high-contrast, streetwear-forward look. The 1A2 uses blue accents for a more subdued, versatile tone. Both share the black carbon fibre case. Choose yellow if you want maximum visibility and wrist presence; choose blue if you want something bolder than all-black but still office-appropriate.
Which GA-2000 should I buy? A quick buying guide.
The GA-2000 line shares the same Carbon Core Guard case, Module 5590, and slide lever band system across all variants. The GA-2000-1A9DR (yellow/black) is the boldest — ideal for streetwear and sneaker culture. The GA-2000-1A2 (blue/black) is the middle ground between bold and wearable. The GA-2000S-1A (all-black) is the most versatile and understated. The GA-2000HD-8A (grey utility) leans into a military/field watch aesthetic. Pick based on wardrobe, not features — they're all identical inside.
What is Carbon Core Guard?
Carbon Core Guard is Casio's case construction using resin reinforced with carbon fibre. The carbon fibres increase rigidity beyond standard resin while keeping the case lightweight. The result is a watch that resists deformation from drops and impacts better than a conventional resin G-Shock, without the weight penalty of a metal case. It's the same core technology used in higher-end G-Shocks like the Mudmaster.
Can I swap the band without tools?
Yes. The GA-2000 uses a slide lever mechanism at the band base. Push the lever, slide the band off, slide a replacement on. No spring bar tool needed. Casio sells replacement GA-2000 bands in different colours, and the bi-colour design means the inner band (black) stays consistent regardless of the outer colour you choose.
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 in a similar price range, look at the GBD-200 (digital) or GBA-950 (analog-digital). If you want a bold, well-built watch without the complexity of app pairing and notifications, the GA-2000 is a deliberately simple choice.
What does "hand shift" mean?
When you access digital functions (stopwatch data, timer, world time), the analog hour and minute hands physically rotate out of the way so they don't block the digital display at 3 o'clock. They return to the correct time position automatically when you exit the function.
How does the GA-2000 compare to the GA-2100 (CasiOak)?
Different design philosophy entirely. 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, more industrial, with exposed screws, a 3D layered dial, a disc mode indicator, and a large front button — it's deliberately aggressive where the GA-2100 is deliberately sleek. The GA-2000 also adds Carbon Core Guard construction and tool-free interchangeable bands, which the standard GA-2100 lacks.
Can I swim with this watch?
Yes. The GA-2000-1A9DR is rated to 200 metres (20 BAR), which covers swimming, snorkelling, and recreational surface water sports. It is not rated for scuba diving.
What warranty does this watch come with?
The GA-2000-1A9DR 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
