Seiko Cal. 4421 - 384

This Solar model from 1970 features a 34mm PVD Black case. Powered by the 4421 caliber with 30j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-140cf28267b3]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1970

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