Seiko Cal. 4489 - 639

The Seiko 4489-639 represents an important milestone in Seiko's 1983 lineup. With its 18mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-b1c8a1638a5b]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1983

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