Seiko Cal. 5663 - 749

This Spring Drive model from 1983 features a 42mm Stainless Steel case. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-effdb2060ed4]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1983

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