Patek Phillipe Calatrava men's watch Approx. 33mm round case 18karat yellow gold case and hobnail "Clous de Paris" bezel Champagne hobnail dial with Roman numerals Baton hands Subsidiary seconds at 6 o'clock index Sapphire crystal window Reference #3611 1 18jewel manual wind movement Caliber #215 Brown IWC alligator strap 18karat yellow gold tang buckle Circa 1980s 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 included. Made in Switzerland