Seiko HBF001: caliber 8L45, 42.6 mm case, 300 m diver's water resistance.
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Specifications
Specifications from Seiko, Seiko, last seen 2026-09-21.
Movement
- Caliber
- 8L45 All 8L45 watches →
- Movement
- Automatic
- Power reserve
- 72h
- Jewels
- 35
Case & crystal
- Case material
- Stainless steel (Bezel: Stainless steel with ceramic display)
- Case diameter
- 42.6mm
- Case thickness
- 14.1mm
- Lug to lug
- 49.3mm
- Lug width
- 20mm
- Crystal
- Dual-curved sapphire crystal
Resistance
- Water resistance
- 300 m diver's
- Magnetic resistance
- 4,800 A/m
Catalogue
- Family
- HBF
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Variants Same watch, different market or bracelet
| Reference | Edition | Region | Band | Clasp | Weight |
|---|---|---|---|---|---|
| HBF001J | J | Japan | — | Diver clasp with push button release and adjuster | 210g |
| HBF001J1 | J1 | Japan | — | One-push three-fold clasp with slide adjustment | — |
