Seiko Cal. 6658 - 778

This Spring Drive model from 1975 features a 37mm Stainless Steel case. With its 22mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-2d68cac033fd]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1975

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