Seiko Cal. 4428 - 372

The Seiko 4428-372 represents an important milestone in Seiko's 1999 lineup. With its 19mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-31b91a8a738d]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1999

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