Seiko Cal. 4590 - 791

The Seiko 4590-791 represents an important milestone in Seiko's 1968 lineup. With its 22mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-acbeee3bc1dd]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1968

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