Seiko Cal. 3831 - 714

This Spring Drive model from 1977 features a 35mm Gold-Plated case. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-ef0be7f73454]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1977

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