Seiko Cal. 4420 - 391

The Seiko 4420-391 represents an important milestone in Seiko's 1983 lineup. With its 18mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-9afb97c5e646]

Also known as: Rally

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1983

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