Seiko Cal. 7140 - 839

This Spring Drive model from 1966 features a 42mm Stainless Steel case. With its 19mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-20b867d54b91]

Also known as: Shogun, World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1966

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