Seiko Cal. 4422 - 112

The Seiko 4422-112 represents an important milestone in Seiko's 1988 lineup. With its 20mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-20d28bbcd081]

Also known as: Sumo, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1988

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