Seiko Cal. 6689 - 327

This Quartz model from 1981 features a 39mm PVD Black case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-3dc1dd05038f]

Also known as: Monster, World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1981

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