Seiko Cal. 3863 - 913

This Spring Drive model from 1988 features a 44mm Two-Tone case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-5a0cea21129c]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1988

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