Seiko Cal. 6617 - 912

This Spring Drive model from 1978 features a 36mm Gold-Plated case. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-a0949feb6e98]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1978

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