Seiko Cal. 4550 - 578

The Seiko 4550-578 represents an important milestone in Seiko's 1989 lineup. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-a5b3bdd9ec20]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

38mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1989

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