Patek Philippe ‘IOS’ bracelet watch ref. 3565/1J
Patek Philippe 18k yellow gold ref. 3565/1J ‘IOS’ bracelet watch, made in 1968
Watches and Accessories 
Made from 1968 to 1971, the yellow gold ref. 3565/1 was produced by Patek Philippe especially for Bernie Cornfeld and the Investors Overseas Service (IOS) as a corporate incentive gift. Over 1,000 examples of this reference were made and given to IOS associates that made 1 million USD or more in sales. This makes this reference one of the largest corporate orders in Patek Philippe’s history.
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Watch specifications
Reference Number: 3565/1J
Production Year: 1968
Original Date of Sale: October 24, 1968
Size: 35 mm wide
Material: 18k yellow gold
Dial Color: Gilt dial with Roman numerals
Watch Movement: Caliber 27-460M automatic date
Accompanied By: Press image of Bernie Cornfeld, IOS stock certificate, Archive
CSKU: 1014
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