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G Shock
Custom Casio G-Shock GA-2100
Median resale value
$63
Based on 8 listings — treat as indicative
$58middle 50% of listings$65
$62 q1$64 q3
Based on 8 listings — treat as indicative
Every active listing we track, bucketed by asking price. The band you buy in tells you more than the average does.
8 active listings. Median asking price $63. The middle 50% ask between $62 and $64.
Counts here cover listings with a known price, so they can be lower than the active total above.
| Listing | Posted | Size | Condition | Authenticity | Price ↑ | vs median | ||
|---|---|---|---|---|---|---|---|---|
 | Grailed | 10/31/2026 | os | — | Unknown | $58 | 8% below the median price | View on Grailed |
 | Grailed | 11/1/2026 | os | — | Unknown | $58 | 8% below the median price | View on Grailed |
 | Grailed | 10/31/2026 | os | — | Unknown | $63 | At the median price | View on Grailed |
 | Grailed | 10/31/2026 | os | — | Unknown | $63 | At the median price | View on Grailed |
 | Grailed | 10/31/2026 | os | — | Unknown | $63 | At the median price | View on Grailed |
 | Grailed | 11/1/2026 | os | — | Unknown | $63 | At the median price | View on Grailed |
 | Grailed | 10/31/2026 | os | — | Unknown | $65 | 3% above the median price | View on Grailed |
 | Grailed | 10/31/2026 | os | — | Unknown | $65 | 3% above the median price | View on Grailed |
We currently track 8 listings for the G Shock Custom Casio G-Shock GA-2100, with prices ranging from $58 – $65, from Grailed.
The Custom Casio G-Shock GA-2100 exemplifies the brand's commitment to merging rugged durability with contemporary style. Known for its octagonal bezel and lightweight resin construction, this model is a staple in the G-Shock lineup, appealing to both watch enthusiasts and casual wearers alike. The GA-2100 features a carbon core guard structure, enhancing shock resistance while maintaining a slim profile. Its analog-digital display offers essential functionalities such as world time, stopwatch, and an LED backlight, ensuring visibility in various conditions. The watch is available in a range of striking colorways, allowing for personal expression while retaining the signature G-Shock aesthetic. In terms of fit, the GA-2100 runs true to size, making it comfortable for all-day wear. Its durable materials ensure longevity, making it an ideal choice for those who lead an active lifestyle. The Custom Casio G-Shock GA-2100 stands as a versatile accessory that seamlessly blends practicality with modern design, solidifying its place in the world of luxury sports watches.
The G Shock Custom Casio G-Shock GA-2100 is a pre-owned G Shock watch available for purchase across multiple resale platforms. Shop 8 active listings with prices ranging from $58 – $65. Find this item on Grailed.
Current market prices by condition and authenticity, based on active listings.
| Status | Listings | Price range |
|---|---|---|
| UnknownListings where authentication status is not specified | 7 | $58 – $65avg $62 |
| Marketplace | Listings | Total value |
|---|---|---|
| Grailed | 8 | $498 |
| Total | 8 | $498 |
Listing counts in the condition and platform tables are filtered subsets (listings with a known condition or price). The “active listings” figure at the top of the page reflects all tracked active listings and may be higher.
