Seiko Cal. 4424 - 870

The Seiko 4424-870 represents an important milestone in Seiko's 1981 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-de78f45241bc]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1981

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