Seiko Cal. 5637 - 261

This Spring Drive model from 1976 features a 45mm Gold-Plated case. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-ab0ea4baacb3]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1976

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