Seiko Cal. 4581 - 660

This Kinetic model from 1988 features a 41mm Titanium case. Powered by the 4581 caliber with 22j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-a2112a51b77d]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1988

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