Seiko Cal. 6633 - 661

This Spring Drive model from 1972 features a 34mm Titanium case. It features a Champagne dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-1fa5a408ced7]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1972

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