Seiko HBB001: caliber 4R35, 41.7 mm case, 200 m diver's water resistance.
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Specifications
Specifications from Seiko, Seiko, last seen 2026-09-21.
Movement
- Caliber
- 4R35 All 4R35 watches →
- Movement
- Automatic
- Power reserve
- 41h
- Jewels
- 23
Case & crystal
- Case material
- Stainless steel
- Case diameter
- 41.7mm
- Case thickness
- 12.3mm
- Lug to lug
- 49.5mm
- Lug width
- 20mm
- Crystal
- Hardlex crystal
Resistance
- Water resistance
- 200 m diver's
- Magnetic resistance
- 4,800 A/m
Catalogue
- Family
- HBB
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Variants Same watch, different market or bracelet
| Reference | Edition | Region | Band | Clasp | Weight |
|---|---|---|---|---|---|
| HBB001J | J | Japan | — | Double-lock diver clasp with push button release and extender | 170g |
| HBB001K1 | K1 | International | — | Three-fold clasp with secure lock, push button release with extender | 170g |
