Seiko Cal. 4443 - 431

This Spring Drive model from 1976 features a 36mm Two-Tone case. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-aa1e12d18410]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1976

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