Swiss non slip enamel coated lever chronograph Circa 1966

Non slip enamel coated split seconds chronograph with register by Omega
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A fine, rare and large Swiss non slip enamel coated split seconds chronograph keyless lever pocket watch with instantaneous 30 minute register, circa 1966. Made in a small series for the Pan American Games at Winnipeg, Manitoba, Canada in 1966. Gilt brass movement, 21 jewels, straight-line lever escapement, mono-metallic balance, self compensating Breguet balance spring, swan neck micrometer regulator. Black dial with painted white Arabic numerals, white outer Arabic chronograph divisions, sunken guilloché subsidiary seconds and 30 minute register dials, original white baton hands. Plain case, dust cover. Dial, case and movement signed.
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Diameter: 66 mm
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Thickness: 22 mm
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Signed: Omega Olympic Swiss made