Seiko Cal. 4427 - 590

The Seiko 4427-590 represents an important milestone in Seiko's 1974 lineup. With its 20mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-e832ff5d369c]

Also known as: Shogun, Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1974

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