Seiko Cal. 6635 - 420

This Automatic model from 1965 features a 34mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-cb01e27a79e6]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1965

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