Seiko Cal. 5231 - 781

This Spring Drive model from 1979 features a 38mm Stainless Steel case. It features a White dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-fb3f37005892]

Also known as: Samurai, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1979

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