Seiko Cal. 4447 - 422

This Spring Drive model from 1979 features a 44mm PVD Black case. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-fddfc36d237c]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1979

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