Seiko Cal. 4431 - 103

The Seiko 4431-103 represents an important milestone in Seiko's 1984 lineup. With its 21mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-8c6200e796f4]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1984

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