Seiko Cal. 3871 - 911

This Kinetic model from 1965 features a 41mm Stainless Steel case. It features a Black dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-b719187db269]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1965

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