Seiko Cal. 5666 - 960

This Spring Drive model from 1966 features a 37mm Stainless Steel case. With its 21mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-c53db7101a8b]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1966

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