Seiko Cal. 4420 - 218

The Seiko 4420-218 represents an important milestone in Seiko's 1989 lineup. With its 19mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-92a79c026ec9]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1989

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