Seiko Cal. 4559 - 420

The Seiko 4559-420 represents an important milestone in Seiko's 1983 lineup. With its 19mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-f5908f4391a6]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1983

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