Seiko Cal. 3811 - 957

This Kinetic model from 1971 features a 42mm Gold-Plated case. With its 19mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-a8de204380ad]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1971

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