Seiko Cal. 6689 - 939

This Spring Drive model from 1971 features a 36mm Stainless Steel case. With its 22mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-d607c89be7b4]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1971

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