Seiko Cal. 6688 - 435

This Spring Drive model from 1974 features a 38mm Gold-Plated case. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-8faa9b15f0ad]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1974

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