Seiko Cal. 6642 - 866

This Spring Drive model from 1973 features a 42mm Gold-Plated case. With its 19mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-97e65be1717d]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1973

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