Seiko Cal. 4421 - 379

This Kinetic model from 1972 features a 40mm PVD Black case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-6e91ba88015e]

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1972

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