Seiko Cal. 6667 - 510

This Spring Drive model from 1971 features a 44mm PVD Black case. With its 20mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-ac17bcbbeded]

Also known as: Bullhead, Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1971

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