1972 18K YG Patek Philippe Calatrava 3537 with Extract from the Archives Papers 15450ST.OO.1256ST.01 Excellent 78360 bracelet with 13

Excellent 78360 bracelet with 13 links

but what remains has aged to a warm creamy hue and glows brightly when exposed to UV

Good 7836 folded link bracelet with 12 links and 280 end links

Excellent glossy blue dial that has aged to a deep purple hue

1972 18K YG Patek Philippe Calatrava 3537 with Extract from the Archives Papers 15450ST.OO.1256ST.01 Excellent 78360 bracelet with 13Case & Bracelet Excellent 18K yellow gold case that shows light wear from use. Very good black leather band with Patek gold clasp. Dial Excellent blue Sigma dial with gold markers and matching hands. Accessories None The watch is running at COSC spec.