Seiko Cal. 4431 - 901

The Seiko 4431-901 represents an important milestone in Seiko's 1993 lineup. With its 19mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-764df966768e]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1993

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