Patek Philippe Calatrava in 18k yellow gold with black crocodile strap. Quartz w/ sweep seconds and date. 33mm case size. Ref 3944. Circa 2000's. Fine Pre-owned Patek Philippe Watch. Certified preowned Classic Patek Philippe Calatrava 3944 watch is made out of yellow gold on a Black Strap band 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. Circa: 2000s . 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 800-705-1112 and be sure to reference W522005. Watch is in Excellent condition.