Patek Philippe Calatrava watch, 18k rose gold case (39mm diameter) with clear case back safe by an invisibly-hinged mud duvet, alligator leather strap with 18k rose gold prong (tang) buckle, ivory lacquered dial with applied rose gold index markers, sweep seconds hand, date calendar dial at 3 o&aposclock, 29 jewel Caliber 324 S C self-winding mechanical movement with 45 hours of power reserve and hallmarked with the Geneva seal, scratch-resistant sapphire crystal, waterproof to 30 meters.Patek Philippe&aposs signature fashion. Created in 1932 as the results of an avant-garde philosophy of aesthetics that showcases graceful lines and refined magnificence, the gathering expresses inventive ingenuity at its very finest. The endearing high quality of the design reflects the relentless pursuit of perfection that has at all times been on the core of Patek Philippe&aposs mission. These inimitably sublime girls&apos and men&aposs watches are impervious to short-lived trends, recapturing the hearts of every new generation. Whether or not additional skinny, with hobnail patterns or wide polished bezels, they&aposre all unmistakable members of the Calatrava circle of relatives or even their converting faces can not belie their origins. No different watch lends higher expression to the real Patek Philippe taste.