Seiko Cal. 0739 - 511

This Spring Drive model from 1975 features a 41mm Stainless Steel case. With its 19mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-65fc6aae5180]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1975

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