Seiko Cal. 5647 - 669

This Spring Drive model from 1973 features a 41mm PVD Black case. With its 18mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-a23051058372]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1973

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