Seiko Cal. 5636 - 764

This Hand-Winding model from 1989 features a 37mm Gold-Plated case. With its 21mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-ea0fe0d94d5d]

Also known as: Helmet, Rally

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1989

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