Seiko Cal. 4423 - 139

This Kinetic model from 1991 features a 37mm PVD Black case. Powered by the 4423 caliber with 27j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-10ad8c4ff150]

Also known as: Goldfeather, Flighty

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1991

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