Seiko Cal. 6311 - 106

This Quartz model from 1968 features a 41mm PVD Black case. With its 20mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-e9d986a5874b]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1968

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