Seiko Cal. 4546 - 931

This Spring Drive model from 1978 features a 43mm Two-Tone case. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-138c50a458c2]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1978

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