Seiko Cal. 4584 - 635

This Hand-Winding model from 1980 features a 40mm PVD Black case. Powered by the 4584 caliber with 20j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-6a622f727520]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1980

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