Seiko Cal. 3857 - 691

This Spring Drive model from 1978 features a 44mm Stainless Steel case. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-5d9ddbd7bb85]

Also known as: Sumo, Rally

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1978

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