Seiko Cal. 4431 - 940

This Kinetic model from 1969 features a 44mm Titanium case. With its 22mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-c54dd780abe3]

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1969

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