Seiko Cal. 5220 - 635

This Spring Drive model from 1977 features a 39mm Gold-Plated case. With its 22mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-28c5e55cc17d]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1977

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