Thematic Auction in Geneva:The Evolut...
Hotel Noga Hilton, Geneva, Nov 16, 2002
Breguet, 1821.Two letters from Louis Belmas, bishop of Cambrai to Breguet. The first, dated Oct 16, 1821, refers to a Breguet decimal watch with Gregorian calendar, which Belmas was sending for repair.
C. The second, dated May 5, 1822, is about three watches, one of which he wants to send back, two others he would like to keep, and asking that Breguet add an inscription on one.