Seiko Cal. 5660 - 879

This Quartz model from 1980 features a 43mm Stainless Steel case. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-327c32753970]

Also known as: Sumo, Bullhead

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1980

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