Seiko Cal. 5663 - 159

The Seiko 5663-159 represents an important milestone in Seiko's 1974 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-dee297671b74]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1974

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