Seiko Cal. 4431 - 225

This Spring Drive model from 1979 features a 46mm Stainless Steel case. With its 21mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-d3b885ee138e]

Also known as: Monster, Pogue

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1979

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