Combining a minute-repeater, split-seconds chronograph and instantaneous perpetual calendar, this self-winding Quadruple Complication features several innovations, two of which are patented. The instantaneous perpetual calendar ensures that the disks pass in 30 milliseconds over the three day-date-month apertures arranged along an arc. Maker: Patek Philippe. Reference: 5308G-001. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.