Patek Philippe Calatrava in 18k on black crocodile strap. Manual w sub-seconds. Ref 3919. with papers. Circa 1989. Fine Pre-owned Patek Philippe Watch. Certified preowned Dress Patek Philippe Calatrava 3919 watch is made out of yellow gold on a Black Crocodile strap with a 18k tang buckle. This Patek Philippe watch has a 33 x 33 mm case with a Round caseback and White Roman Numeral dial. It is Gray and Sons Certified Authentic and comes backed by our 12-month warranty. Each watch is inspected by our certified in-house Swiss-trained watchmakers before shipment including final servicing, cleaning, and polishing. If you have inquiries about this Patek Philippe Calatrava watch please call us toll free at 800-918-2608 and be sure to reference W522149. Watch is in Excellent condition.