Seiko Cal. 4489 - 100

The Seiko 4489-100 represents an important milestone in Seiko's 1970 lineup. With its 21mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-33d7bc3b7dd4]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1970

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