Seiko Cal. 3840 - 939

This Spring Drive model from 1971 features a 38mm Gold-Plated case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-815e075a1a3f]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1971

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