Seiko Cal. 5636 - 103

This Spring Drive model from 1979 features a 45mm Gold-Plated case. With its 18mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-4716874768bc]

Also known as: UFO, World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1979

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