Seiko Cal. 6635 - 824

The Seiko 6635-824 represents an important milestone in Seiko's 1966 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-a428e7ae527b]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1966

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