Seiko Cal. 6686 - 440

This Spring Drive model from 1979 features a 37mm Gold-Plated case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-bedefbc26b28]

Also known as: Rally, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1979

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