Calatrava watch by Patek Philippe Approx. 33mm mm round 18-karat yellow gold case Hobnail "Clous de Paris" bezel White dial with Roman markers and feuille hands Subsidiary seconds dial Sapphire crystal window Black Patek Philippe alligator strap and 18K yellow gold tang buckle Model/reference #3919 Automatic movement #1.811.108 Caliber 215 Circa 1990s Each Vintage Watch purchase includes a Neiman Marcus watch box and a Neiman Marcus certificate of authenticity. Original boxes and papers are not offered in most instances and will be noted on the site when they are. Made in Switzerland