The navigation theme has been a pretty prominent one in Montblanc’s recent production – probably most visibly, in the watches named for the famous Portuguese explorer, Vasco da Gama – but this year Montblanc’s pretty much pulled out all the stops in making something that speaks both to the history of marine chronometers, as well as showcasing the artisanal side of watchmaking in the Montblanc portfolio as it exists at the Minerva movement manufacture (the counterpart to the somewhat larger…