Seiko Cal. 6638 - 567

This Spring Drive model from 1965 features a 38mm Stainless Steel case. With its 21mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-cf98d42e6cae]

Also known as: Goldfeather, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1965

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