Seiko Cal. 4431 - 920

The Seiko 4431-920 represents an important milestone in Seiko's 1970 lineup. With its 22mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-5d5998501757]

Also known as: Monster, Arnie

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1970

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