Seiko Cal. 6639 - 198

This Quartz model from 1988 features a 39mm PVD Black case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-8843a3b8ca5b]

Also known as: Emperor, Flighty

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1988

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