Seiko Cal. 4430 - 645

The Seiko 4430-645 represents an important milestone in Seiko's 1981 lineup. With its 18mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-f261eff872f9]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1981

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