Seiko Cal. 4590 - 840

The 4590-840 is a sought-after Quartz piece from Seiko's golden era. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-a23af726d4b3]

Also known as: UFO, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1995

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