Seiko Cal. 4590 - 584

The Seiko 4590-584 represents an important milestone in Seiko's 1978 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-f1bfa2ed57d5]

Also known as: Monster, World Timer

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

36mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1978

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