Seiko Cal. 4423 - 593

The Seiko 4423-593 represents an important milestone in Seiko's 1982 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-48fdb2f83571]

Also known as: Helmet, Rally

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1982

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