Seiko SRPB21: 44.3 mm case, 100 m water resistance.
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Specifications
Specifications from Creation Watches, last seen 2026-09-10.
Movement
- Movement
- Automatic
Case & crystal
- Case material
- Stainless steel
- Case diameter
- 44.3mm
- Case thickness
- 12.5mm
- Crystal
- Mineral crystal
Resistance
- Water resistance
- 100 m
Catalogue
- Family
- SRPB
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Variants Same watch, different market or bracelet
| Reference | Edition | Region | Band | Clasp | Weight |
|---|---|---|---|---|---|
| SRPB21J1 | J1 | Japan | Nylon | Pin buckle | — |
| SRPB21K1 | K1 | International | Nylon | Pin buckle | — |