Seiko Cal. 4590 - 663

The Seiko 4590-663 represents an important milestone in Seiko's 1981 lineup. It features a Cream dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-f670d17e0491]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1981

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