Seiko Cal. 6635 - 662

The Seiko 6635-662 represents an important milestone in Seiko's 1991 lineup. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-fc1efad637f5]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1991

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