Seiko Cal. 3863 - 160

This Quartz model from 1970 features a 40mm PVD Black case. With its 19mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-1f6ca5ea92c6]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1970

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