Blancpain Sa

Guillaume Boscaroli

Bernat Monferrer

Provided is an ambient physical variable measuring device () including an element configured to mechanically deform under the effect of a variation of a physical variable to rotate a physical variable measured value indication train including a physical variable maximum value display wheel (). An indexing mechanism () to index the position of a physical variable maximum value display train () at each advance, the indexing mechanism () comprising a blocking organ () cooperating with an indexing wheel assembly (). The the indexing wheel assembly () is kinematically connected to the physical variable maximum value display wheel () by a gear train TTand in that the gear ratio of the gear train TTbetween the physical variable maximum value display wheel () and the indexing wheel assembly () is a multiplication ratio.

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Le Solliat, Switzerland

Guillaume Boscaroli