Seiko Cal. 4420 - 598

The Seiko 4420-598 represents an important milestone in Seiko's 1971 lineup. With its 19mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-aa1568d9aa1e]

Also known as: Samurai, Pogue

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1971

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