Seiko Cal. 5689 - 791

This Spring Drive model from 1981 features a 39mm PVD Black case. It features a White dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-e4861a386285]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1981

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