Seiko Cal. 6665 - 766

This Spring Drive model from 1967 features a 36mm PVD Black case. With its 18mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-f4e896e274fd]

Also known as: Sumo, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1967

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