Seiko Cal. 4426 - 590

The Seiko 4426-590 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-91068de47864]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1978

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