PATEK PHILIPPE.A RAREAND FINE 18K GOLD CHRONOGRAPH WRISTWATCH SIGNED PATEK PHILIPPE, GENEVE, REF. 1579, MOVEMENT NO. 867'976, CASE NO. 660'213, MANUFACTURED IN 1950 Movement: Cal. 13", manual, 23 jewels, signed Dial: Signed Case: Snap on back, 36 mm. diam., signed With: 18k gold Patek Philippe buckle, Extract from theArchives confirming production of the present watch in 1950And its subsequent sale on 7 June 1951