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HBC001

Seiko

HBC001

Also sold as HBC001JJapan HBC001J1Japan

In production All HBC references →
Caliber
6R54
Case diameter
42mm
Water resistance
300 m diver's
Power reserve
72h

Seiko HBC001: caliber 6R54, 42 mm case, 300 m diver's water resistance.

Where to buy

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Specifications

Specifications from Seiko, Seiko, last seen 2026-09-21.

Movement

Caliber
6R54 All 6R54 watches →
Movement
Automatic
Power reserve
72h
Jewels
24

Case & crystal

Case material
Stainless steel (Bezel: Stainless steel with ceramic display)
Case diameter
42mm
Case thickness
13.3mm
Lug to lug
48.6mm
Lug width
20mm
Crystal
Sapphire crystal

Resistance

Water resistance
300 m diver's
Magnetic resistance
4,800 A/m

Catalogue

Family
HBC
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Variants Same watch, different market or bracelet

Reference Edition Region Band Clasp Weight
HBC001J J Japan — Double-lock diver clasp with push button release and adjuster 188g
HBC001J1 J1 Japan — Three-fold clasp with secure lock & push button release, solid & slide adjuster —

More Seiko HBC references