Seiko Cal. 4427 - 579

The Seiko 4427-579 represents an important milestone in Seiko's 1990 lineup. With its 18mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-24a166a240d4]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1990

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