Seiko Cal. 4581 - 899

The 4581-899 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4581 caliber with 20j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-79cb9fcd9464]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1992

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