Seiko Cal. 0786 - 971

This Spring Drive model from 1979 features a 34mm Stainless Steel case. With its 18mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-7a3801ab7195]

Also known as: Sumo, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1979

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