Seiko Cal. 6639 - 701

This Hand-Winding model from 1972 features a 40mm Titanium case. With its 18mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-21d2962aff23]

Also known as: Pogue, UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1972

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