Seiko Cal. 4423 - 642

This Solar model from 1972 features a 35mm PVD Black case. With its 22mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-fd3682073fe7]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1972

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