Seiko Cal. 5663 - 490

The Seiko 5663-490 represents an important milestone in Seiko's 1987 lineup. Powered by the 5663 caliber with 36j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-849525c164fb]

Also known as: Sportsmatic, Crown

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1987

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