Seiko Cal. 4593 - 578

The Seiko 4593-578 represents an important milestone in Seiko's 1971 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-d47f584fef68]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1971

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