Seiko Cal. 4425 - 557

This Kinetic model from 1981 features a 43mm PVD Black case. Powered by the 4425 caliber with 29j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-7ade440a6b27]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1981

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