Seiko Cal. 4421 - 894

This Hand-Winding model from 1977 features a 44mm PVD Black case. With its 22mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-205b43af9c1c]

Also known as: UFO, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1977

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