Seiko Cal. 6635 - 697

This Spring Drive model from 1984 features a 44mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-f8d5c2ed8bbc]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1984

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