Seiko Cal. 4431 - 326

The Seiko 4431-326 represents an important milestone in Seiko's 1979 lineup. Powered by the 4431 caliber with 20j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-c03e57008101]

Also known as: Samurai, Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1979

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