Seiko Cal. 5634 - 839

This Hand-Winding model from 1973 features a 35mm Gold-Plated case. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-da5f73894417]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1973

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