Seiko Cal. 6639 - 466

This Hand-Winding model from 1971 features a 39mm Gold-Plated case. With its 20mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-91ad212996ca]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1971

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