Seiko Cal. 5663 - 507

The Seiko 5663-507 represents an important milestone in Seiko's 1990 lineup. Powered by the 5663 caliber with 24j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-27ab2340e880]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1990

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