Montblanc 1858 The Unveiled Timekeeper Minerva Limited Edition - 28 piecesThe Montblanc 1858 Unveiled Timekeeper Minerva Limited Edition introduces a brand new chronograph function. Instead of using traditional pushers, the chronograph is activated via the fluted bezel. Just one click of the Lime Gold 750 1000 (18 karats) fluted bezel will start the chronograph. A second click will stop it, and a third click will reset it, transforming the chronograph as we know it. The timepiece comes in a 42. 5 mm Lime Gold 750 1000 (18