Blancpain 3638

The Blancpain 3638 is an automatic chronograph movement launched in 2012 and still in production. It belongs to Blancpain's in-house 36xx caliber family and powers chronograph models in the Villeret collection. The movement is manufactured in-house at Blancpain's Le Brassus manufacture and represents the brand's traditional approach to mechanical chronograph development. It is also known as BP 3638.