Seiko Cal. 4421 - 671

The Seiko 4421-671 represents an important milestone in Seiko's 1997 lineup. With its 19mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-5cfb1b47c56b]

Also known as: UFO, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1997

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