Seiko Cal. 5687 - 677

This Spring Drive model from 1968 features a 40mm Stainless Steel case. With its 21mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-7d98ec7d4388]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1968

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