Seiko Cal. 6660 - 531

This Automatic model from 1984 features a 35mm PVD Black case. With its 22mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-70e7e01c492f]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1984

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