Seiko Cal. 4590 - 960

The Seiko 4590-960 represents an important milestone in Seiko's 1975 lineup. With its 19mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-d1e8b53c15b2]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1975

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