Seiko Cal. 6686 - 866

This Spring Drive model from 1984 features a 35mm Stainless Steel case. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-511a226c21d5]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1984

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