Seiko Cal. 6664 - 401

This Quartz model from 1971 features a 39mm PVD Black case. With its 20mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-e770ea12910e]

Also known as: Monster, Shogun

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1971

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