Seiko Cal. 5635 - 552

This Spring Drive model from 1968 features a 36mm Gold-Plated case. With its 21mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-38c8654b1a9e]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1968

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