Seiko Cal. 6639 - 520

This Quartz model from 1967 features a 44mm Gold-Plated case. With its 21mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-00dfbf647bb5]

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1967

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