The Breitling Montbrilliant Datora was an evolution of the brand's iconic Navitimer, a chronograph created for pilots.
The Montbrilliant name celebrates the brand's legacy. Rue Montbrillant, after all, was the location of the brand's factory between 1892 and 1979.
The Datora was produced between 2002 and 2013. It added complications (a triple calendar with pointer date and a 24 h indicator) to the Navitimer base.
Another key characteristic is the early XXth century cursive logo, which was actually used to distinguish the entire Montbrilliant product line.
The collection was sadly discontinued in 2018.
Full article. It's in Spanish, but a translation tool is available at the top of the page.
I'm off flying with it next. I will upload a shot later if I can. It's gusty today, so we'll see what I can do.
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Here it is, in the field.