Breitling watch montbrillant 01 ab013012g735448a endowed with a look inspired by the 1940s and 1950s and featuring the famous aviation slide rule the montbrillant 01 chronograph was named after the building on ruelle montbrillant in la chaux de fonds which housed the breitling workshops from 1892 to 1979 it is equipped with the high performance manufacture breitling caliber 01 this successful association of tradition and innovation is enhanced by a silver dial bearing numerals or hour mark