Seiko Cal. 6635 - 735

The Seiko 6635-735 represents an important milestone in Seiko's 1983 lineup. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-c999371b0a76]

Also known as: Sumo, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1983

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