PATEK PHILIPPE Calatrava "IOS / R" ref.3562.1... Lot 20

PATEK PHILIPPE Calatrava "IOS / R" ref.3562.1 circa 1968. Elegant men's watch in 18K yellow gold made for the Rothschild bank "Million Dollar Associate". Extra-flat round case in 18K yellow gold, smooth bezel, screw-down crown with PP logo and engraved clip-on caseback IOS "International Oversize Services" and Million Dollar Associate. Champagne dial, baton hands and Roman numerals painted black, signed "IOS" and "R". Hand-wound mechanical movement, 18 jewels, cal. 23300 in superb condition. Movement n°1156283. Case back signed PP Genève, punched, n° 2699755 / 3563.1. Superb yellow gold ribbon strap designed for this model with claw clasp signed PP and IOS in a cartridge. Diam : 35 mm Gross weight : 73 g Will be enclosed its certificate of guarantee of origin issued to its current owner in 1968.