Seiko Cal. 6639 - 535

This Quartz model from 1978 features a 42mm Gold-Plated case. With its 19mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-9a027b27a328]

Also known as: World Timer, Flighty

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1978

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