Seiko SPB225: caliber 6R64, 42.2 mm case, 100 m water resistance.
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Specifications
Specifications from Seiko, last seen 2026-09-21.
Movement
- Caliber
- 6R64
- Movement
- Automatic
- Power reserve
- 45h
- Jewels
- 29
Case & crystal
- Case material
- Stainless steel (super hard coating)
- Case diameter
- 42.2mm
- Case thickness
- 13.7mm
- Lug to lug
- 49.2mm
- Lug width
- 20mm
- Crystal
- Sapphire crystal
Resistance
- Water resistance
- 100 m
Catalogue
- Family
- SPB
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Variants Same watch, different market or bracelet
| Reference | Edition | Region | Band | Clasp | Weight |
|---|---|---|---|---|---|
| SPB225J1 | J1 | Japan | — | Three-fold clasp with push button release | 181g |