Seiko Cal. 4431 - 608

This Quartz model from 1973 features a 37mm Hardlex-Coated Steel case. With its 21mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-050d3e43ed42]

Also known as: Shogun, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1973

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