Seiko Cal. 4420 - 829

The Seiko 4420-829 represents an important milestone in Seiko's 1983 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-002a6f7ab9df]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1983

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