Seiko Cal. 4420 - 144

The Seiko 4420-144 represents an important milestone in Seiko's 1983 lineup. With its 18mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-44a0acaba635]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1983

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