Seiko Cal. 5663 - 689

The Seiko 5663-689 represents an important milestone in Seiko's 1986 lineup. Powered by the 5663 caliber with 32j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-a25b4392eb2e]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1986

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