Seiko Cal. 3863 - 618

This Spring Drive model from 1989 features a 46mm PVD Black case. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-b95121b931e3]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1989

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