Seiko Cal. 4428 - 290

Released in 1993, the Cal. 4428 with design code 290 was part of Seiko's domestic market collection. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-fcd6aa7f97e6]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1993

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