Philippe Dufour's Grande et Petite Sonnerie No. 3

Philippe Dufour is considered to be perhaps the greatest modern watchmaker and his Sonnerie watch is arguably his most complex watch. Now this special Grande et Petite Sonnerie watch, originally made for the Sultan of Brunei, is up for sale at A Collected Man for an expected record breaking fetch. This watch from the world renowned Swiss watchmaker is extremely rare as its number three of only eight and requires not only mechanical precision but also musical precision to get the ideal sound as the watch strikes on the hour and each quarter. Stay tuned because if this incredible Philippe Dufour Grande et Petite Sonnerie No. 3 fetches what it is listed for, which is $7,63 million US, it will become one of the ten most expensive watches ever sold!