Seiko Cal. 4531 - 143

This Spring Drive model from 1983 features a 41mm PVD Black case. It features a Black dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-f5e9670a4aca]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1983

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