Seiko Cal. 5637 - 275

This Hand-Winding model from 1968 features a 43mm Stainless Steel case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-228c501b7ebb]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1968

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