Seiko Cal. 4420 - 431

The Seiko 4420-431 represents an important milestone in Seiko's 1983 lineup. With its 22mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-096c575aba09]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1983

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