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G-SHOCK by Casio Analog Digital 2100 Series 'Black'
G-SHOCK by Casio · Style GA2100SR-1A
Out of stock
Out of stock
Size chart — G-SHOCK by Casio
Full G-SHOCK by Casio size guide
Use the chart below to convert between US, UK, EU and JP sizes.
Men
| US | UK | EU | JP (cm) |
|---|---|---|---|
| 6 | 5.5 | 38.5 | 24 |
| 6.5 | 6 | 39 | 24.5 |
| 7 | 6 | 40 | 25 |
| 7.5 | 6.5 | 40.5 | 25.5 |
| 8 | 7 | 41 | 26 |
| 8.5 | 7.5 | 42 | 26.5 |
| 9 | 8 | 42.5 | 27 |
| 9.5 | 8.5 | 43 | 27.5 |
| 10 | 9 | 44 | 28 |
| 10.5 | 9.5 | 44.5 | 28.5 |
| 11 | 10 | 45 | 29 |
| 11.5 | 10.5 | 45.5 | 29.5 |
| 12 | 11 | 46 | 30 |
| 13 | 12 | 47.5 | 31 |
Women
| US | UK | EU | JP (cm) |
|---|---|---|---|
| 5 | 2.5 | 35.5 | 22 |
| 5.5 | 3 | 36 | 22.5 |
| 6 | 3.5 | 36.5 | 23 |
| 6.5 | 4 | 37.5 | 23.5 |
| 7 | 4.5 | 38 | 24 |
| 7.5 | 5 | 38.5 | 24.5 |
| 8 | 5.5 | 39 | 25 |
| 8.5 | 6 | 40 | 25.5 |
| 9 | 6.5 | 40.5 | 26 |
| 9.5 | 7 | 41 | 26.5 |
| 10 | 7.5 | 42 | 27 |
| 11 | 8.5 | 43 | 28 |
Size sold out? Notify me
Size, price & UPC details
| Size | Price | UPC | Delivery |
|---|---|---|---|
| 49.3MM | — | — | Out of stock |
| One Size | — | — | Out of stock |
About the G-SHOCK by Casio Analog Digital 2100 Series 'Black'
| Colorway | Black |
|---|---|
| Season | Fall/Winter 2025 |
What buyers say about us
Selected customer feedback. Feedback about our store and the buying experience, from sold.supply, eBay and Trustpilot. The source and purchase verification are shown on each card. These are not product ratings.
La entrega fue muy rapida y la atención…
La entrega fue muy rapida y la atención para la devolución también.
Gracias.Easy experience
Easy experience. My wife loves her sneakers!Purchased item
adidas SL72 RS 'Collegiate Orange Bright Blue'
No hassle and shoes look just as good as photos
Ordered with no hassle and the checkout was quick. The shoes look just as good as the photos, fit true to size, and feel comfortable right out of the box. I'd happily order from here again.Purchased item
On Running Cloudvista 3 'Ivory Wash'
They had many colors in the shoe I…
They had many colors in the shoe I wanted plus best price on the whitaker rejuven8s. The communication was great and shoes shipped quickly. I bought all 3 colors, they look better in person!!