Montblanc Heritage Small Second Limited Edition 38

The historical calibre MB M62.00 was inspired by the Pythagore calibre from 1948 with its very recognizable geometric shape. It was reinterpreted in 2003 with more classical shapes and high-end finishings. The MB M62.00 indicates the hours, minutes and small seconds at 6 o’clock. The movement features a large balance wheel beating at a low traditional frequency of 18,000 A/h (2.5 hertz), allowing an ample moment of inertia. The regulating organ is equipped with a double adjustment system: Firstly, it includes a hairspring positioning system with a stud that allows the watchmaker to center the hairspring by moving the entire balance system to the balance cock. Secondly, a hairspring active length regulator index system (raquette), with a swan’s neck spring bearing the Minerva arrow, is positioned on the end. The iconic Minerva arrow can also be found as an engraving on the main plate.