Seiko Cal. 4421 - 172

The Seiko 4421-172 represents an important milestone in Seiko's 1986 lineup. With its 20mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-bfbfab171f6b]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1986

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