in Basel 2017 Patek Philippe launched the new grand complications perpetual calendar 5320G with lacquered cream dial graced with luminous numerals and hands, self-winding movement caliber 324 with double apertures for the day/month and an analog date with a contemporary “vintage” style in white gold case 40mm waterproof up to 30m with three-tier lug like the vintage Calatrava 2405 from 1940s, The case and dial design inspired by the vintage Patek Phillipe 2497 2438 3449 from 1940s and 1950s.