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G-SHOCK by Casio Analog Digital 2100 Series 'Black'
G-SHOCK by Casio · Style GA2100SR-1A
from $372.20
Select a size:
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 |
14-day returns for store credit & equal-value exchanges — policy
Size, price & UPC details
| Size | Price | UPC | Delivery |
|---|---|---|---|
| 49.3MM | — | — | Out of stock |
| One Size | $372.20 | — | 3-4 business days |
About the G-SHOCK by Casio Analog Digital 2100 Series 'Black'
| Colorway | Black |
|---|---|
| Season | Fall/Winter 2025 |