Seiko Cal. 4581 - 440

This Kinetic model from 1996 features a 41mm PVD Black case. Powered by the 4581 caliber with 24j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-b1100cf775c5]

Also known as: Sumo, Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1996

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