Marie Antoinette's gold Breguet pocket watch, ca. 1827. It took 44 years to complete after it was first commissioned in 1793. Marie Antoinette never saw the watch through to its completion, as she was sent to the guillotine 10 years before its completion. It is referred to as the Queen/Mona Lisa of watches.
Breguet Tradition 7087 Minute Repeater Tourbillon Watch Hands-On - by Zach Pina - on aBlogtoWatch.com "2015 marked the 10th anniversary of the Breguet Tradition collection, an occasion which the brand chose to commemorate with a singular haymaker of a watch: the Breguet Tradition 7087 Minute Repeater Tourbillon. Though this watch was announced at Baselworld 2015, as we prepare for a fresh salvo of show-season announcements from the 240-year-old company, we revisit the 7087..."