Seiko Cal. 6635 - 317

This Hand-Winding model from 1966 features a 34mm Stainless Steel case. With its 21mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-4c3f7e5b637e]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1966

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