Seiko Cal. 3865 - 971

This Solar model from 1978 features a 38mm Stainless Steel case. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-c11aeb3fe779]

Also known as: Sumo, Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1978

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