Seiko Cal. 6663 - 727

The Seiko 6663-727 represents an important milestone in Seiko's 1980 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-6cab6bb19f64]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1980

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