Seiko Cal. 4431 - 285

The Seiko 4431-285 represents an important milestone in Seiko's 1976 lineup. With its 22mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-40bb4b448b1b]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1976

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