Seiko Cal. 4590 - 763

The Seiko 4590-763 represents an important milestone in Seiko's 1976 lineup. With its 19mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-de9e34e7606e]

Also known as: Crown, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1976

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