Seiko Cal. 4428 - 849

The Seiko 4428-849 represents an important milestone in Seiko's 1977 lineup. With its 19mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-7a46401f91f9]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1977

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