Montblanc Heritage Chronométrie Twincounter Date Watch Hands On Luxury Watches Montblanc by wholesalewatches - February 25, 20160 Montblanc has unveiled it new model-Heritage Chronométrie Twincounter Date at SIHH 2016. The new Montblanc Heritage Chronométrie Collection Twincounter Date introduces a new date complication that has been completely developed and manufactured in-house by Montblanc’s master watchmakers. A conservatively sized stainless steel case measuring 40 mm by 9.85 mm