In fact, there is a special Nicolas Rieussec Chronograph Anniversary Edition watch to honor the 190th anniversary of his invention. This watch had the honor of playing host to Montblanc’s first in-house movement in 2007, the MBR100. The version this year is the flagship watch for the brand and features the manual winding in-house calibre MB R110 and a new grain de seigle guilloche decoration on the dial.