Seiko Cal. 5663 - 936

The Seiko 5663-936 represents an important milestone in Seiko's 1982 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-55eb48f1be60]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1982

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