Seiko Cal. 3870 - 631

This Spring Drive model from 1968 features a 38mm PVD Black case. It features a Champagne dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-5d6cfc85d9a0]

Also known as: Goldfeather, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1968

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