5175R-001Ref

Unveiled for the brand's 175th anniversary, the Grandmaster Chime is a 20-complication timepiece housed in a 47.4 x 16.1mm rose gold case containing a 1,366-part movement. It includes Patek's first Grande and Petite Sonnerie, a date repeater, and an alarm that chimes the hour, supported by a 30-hour sonnerie power reserve. The watch features two dials, including a reverse perpetual calendar, and is adorned with baroque leaf engravings. Limited to seven pieces, one is reserved for the museum, with a price tag of 2.5 million CHF.