Seiko Cal. 6658 - 534

This Spring Drive model from 1981 features a 41mm Gold-Plated case. With its 20mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-990059af63be]

Also known as: UFO, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

29j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1981

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