Seiko Cal. 4428 - 679

The 4428-679 is a sought-after Automatic piece from Seiko's golden era. With its 18mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-d9f956fbd1e2]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1972

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