Seiko Cal. 4430 - 485

The Seiko 4430-485 represents an important milestone in Seiko's 1979 lineup. With its 22mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-ef287ad8735e]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1979

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