Frank Muller defines class and excellence through the brand's luxury timepieces. This watch is crafted with precious materials and great skill for a premium appearance. Approx. 34mm round snapback case 18karat yellow gold watch head White dial with pointed markers Subsidary seconds Feuille hands Sapphire crystal window Reference # 1900 S6 Manual wind movement Caliber 7500 Franck Muller brown alligator strap 18karat yellow gold tang buckle 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. Circa 1990s Made in Switzerland