Seiko Cal. 6635 - 964

This Spring Drive model from 1981 features a 46mm Gold-Plated case. With its 21mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-bac233c620aa]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1981

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