Seiko Cal. 6635 - 814

This Spring Drive model from 1984 features a 37mm PVD Black case. With its 18mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-bb581c406c4e]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1984

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