Seiko Cal. 6666 - 768

This Spring Drive model from 1976 features a 40mm Titanium case. With its 18mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-c65ccb32458e]

Also known as: Sumo, Shogun

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1976

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