Seiko Cal. 4426 - 143

The Seiko 4426-143 represents an important milestone in Seiko's 1966 lineup. Powered by the 4426 caliber with 29j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-df39ffb4461d]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1966

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