Seiko Cal. 4424 - 931

The Seiko 4424-931 represents an important milestone in Seiko's 1975 lineup. Powered by the 4424 caliber with 26j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-ee464ca55950]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1975

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