Seiko Cal. 4424 - 439

The Seiko 4424-439 represents an important milestone in Seiko's 1971 lineup. Powered by the 4424 caliber with 35j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-d076ce1f9814]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1971

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