Seiko Cal. 6690 - 525

This Spring Drive model from 1976 features a 34mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-1c543e1bd4f4]

Also known as: Rally, Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1976

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