Seiko Cal. 3866 - 321

This Automatic model from 1975 features a 38mm Two-Tone case. It features a Cream dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-dc8a9e1cd1f4]

Also known as: Bullhead, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1975

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