Seiko Cal. 4528 - 251

This Spring Drive model from 1992 features a 46mm PVD Black case. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-9c961fd00bd1]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1992

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