Seiko Cal. 4426 - 217

The Seiko 4426-217 represents an important milestone in Seiko's 1974 lineup. Powered by the 4426 caliber with 35j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-71fa96312daa]

Also known as: Tuna, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1974

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