Seiko Cal. 5688 - 817

This Spring Drive model from 1976 features a 37mm Stainless Steel case. It features a Champagne dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-d79a03588abe]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

19j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1976

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