GA-2100
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3D
G-7900In stock
G-SHOCK G-7900A-4 Red
$150Black / Red
Free standard U.S. shipping
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- Same-day dispatchOrder by 6 PM PT, Mon–Fri, from Los Angeles
- Free U.S. shippingNo minimum · 3–7 business days
- 14-day returnsEligible, unworn, in original packaging
- Made rightDefective, damaged or not what you ordered? We'll make it right
Order by 6 PM PT (Mon–Fri) and it ships the same day
Free standard U.S. shipping · 3–7 business days in transit
Studio Mon–Fri 9 AM–6 PM PT
- Base model
- G-7900
- Case shape
- Rugged rounded
- Display
- Digital
- Materials
- Resin
Details
Casio G-Shock G7900A-4
Built to stand out and made to handle everyday wear. The Casio G-Shock G7900A-4 features a bold red resin design with the rugged construction G-Shock is known for. Its oversized case, digital display, and functional layout give it a classic sport-inspired look that works as both an everyday watch and a statement piece.
Designed with shock-resistant construction, the G7900A-4 is ready for everything from daily wear to outdoor activity.
Product Details:
- Model: G7900A-4
- Shock-resistant construction
- Digital display
- Durable resin case & band
- World time
- Moon data
- Tide graph
- Stopwatch
- Countdown timer
- Multi-function alarms
- Full auto-calendar
- 12/24-hour time format
- EL backlight
- Bold red colorway
Water use: Please contact us to confirm the rating for this specific watch before swimming or submerging it. Custom modifications can affect water resistance.
Full specifications
| Base model | G-7900 |
|---|---|
| Case shape | Rugged rounded |
| Display | Digital |
| Materials | Resin |
| Colorway | Black, Red |
| Type | Watches |
| Dispatch | ships same day from Los Angeles when ordered by 6 PM PT (Mon–Fri) |
G-7900 base model facts
| Case size | 52.4 × 50 × 17.7 mm |
|---|---|
| Weight (stock) | 68.2 g (2.4 oz) |
| Water resistance (stock) | 200 m / 20 bar |
| Power | 2-year battery |
| Module | 3194 |
These are Casio's specifications for the stock G-7900-1. Customization can change finish and materials and can affect water resistance, so contact us to confirm this piece before swimming.
Shipping & returns
Standard U.S. shipping is free with no minimum. In stock — ships same day from Los Angeles when ordered by 6 PM PT (Mon–Fri). Allow 3–7 business days for U.S. delivery after dispatch. We also ship to Canada for a flat $35 per order (6–10 business days after dispatch); Canadian duties and taxes aren't included and are paid on delivery. Choose your country in the bag.
Return requests are accepted within 14 days of delivery for eligible, unworn items in original packaging; return shipping is paid by the buyer. If a piece arrives defective, damaged or isn't what you ordered, we make it right, return shipping included. Sale items and pieces made or personalized to your request can't be returned. Read the refund policy.
Authenticity & disclaimer
Bezelwright (BW) is an independent customizer operated by Caventra LLC and is not affiliated with, endorsed by, or sponsored by Casio Computer Co., Ltd. G-SHOCK, Baby-G and Casio are trademarks of Casio Computer Co., Ltd., used here only to describe the base models our products are built on or fit.
Fig. 01Build sheet
Know exactly what's on your wrist.
The base model, the case and the colorway, next to Casio's stock specs for the G-7900.
The full G-7900 guide- 01Base model: G-SHOCK G-7900 · module 3194
- 02Case: 52.4 × 50 × 17.7 mm · Casio stock
- 03Colorway: Black / Red
- 04Weight: 68.2 g · Casio stock
- 05Water: 200 m stock · custom work can change it, ask us
- Case width 50 mm, length 52.4 mm.
Case, weight and water resistance are Casio's figures for the stock G-7900; custom parts can change weight and water resistance, so ask us about a specific piece before you swim with it.
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About this custom G-SHOCK watch
When will the G-SHOCK G-7900A-4 Red ship?
It ships same day from Los Angeles when ordered by 6 PM PT (Mon–Fri). U.S. delivery then takes 3–7 business days. Standard U.S. shipping is free.
What base model is this watch?
This piece is built on the G-7900 silhouette. A rugged digital G-SHOCK with a bold, outdoorsy profile.
Can I swim with this G-7900?
Casio rates the stock G-7900 to 200 m (20 bar). Custom modifications can affect water resistance, so contact us to confirm the rating for this specific watch before swimming or submerging it.
How long does the battery last?
The stock G-7900 runs about 2 years on CR2025, according to Casio. Battery life can vary with use of the light and alarms.
Can I return my order?
Return requests are accepted within 14 days of delivery for eligible, unworn items in their original packaging. Return shipping is paid by the buyer. Sale items and pieces made or personalized to your request can't be returned. If a piece arrives defective, damaged or isn't what you ordered, contact us right away and we'll make it right, return shipping included. Email us before sending anything back so we can confirm eligibility and share return instructions. The same applies to orders shipped to Canada; Canadian duties, taxes and carrier fees paid on import aren't refunded by us.
Are Bezelwright watches made by Casio?
No. Bezelwright is an independent customizer and is not affiliated with Casio. Our watches are custom styles built on or inspired by G-SHOCK base models, and our bezels are aftermarket accessories. G-SHOCK is a trademark of Casio Computer Co., Ltd.