Seiko Cal. 0717 - 630

This Spring Drive model from 1982 features a 45mm Gold-Plated case. With its 22mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-87f8368f8e8a]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1982

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