Seiko Cal. 4420 - 609

The Seiko 4420-609 represents an important milestone in Seiko's 1973 lineup. With its 20mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-0a246d977fb3]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1973

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