Seiko Cal. 3831 - 394

This Spring Drive model from 1967 features a 40mm Gold-Plated case. With its 19mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-3d7bb12759d2]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1967

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