Seiko Cal. 4424 - 399

The Seiko 4424-399 represents an important milestone in Seiko's 1989 lineup. Powered by the 4424 caliber with 20j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-b708de2b8d49]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1989

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