Seiko SPB329: caliber 6R21, 40.2 mm case, 100 m water resistance.
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Specifications
Specifications from Seiko, Creation Watches, last seen 2026-09-24.
Movement
- Caliber
- 6R21
- Movement
- Automatic
- Power reserve
- 45h
- Jewels
- 29
Case & crystal
- Case material
- Stainless steel (hard coating)
- Case diameter
- 40.2mm
- Case thickness
- 12.2mm
- Lug to lug
- 47.4mm
- 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 |
|---|---|---|---|---|---|
| SPB329J1 | J1 | Japan | Horse Skin | Pin buckle | 94g |