Seiko Cal. 4426 - 230

The Seiko 4426-230 represents an important milestone in Seiko's 1970 lineup. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-072dbec971d0]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1970

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