Seiko Cal. 3831 - 597

This Spring Drive model from 1973 features a 41mm Two-Tone case. It features a Champagne dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-26c0c254b876]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1973

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