Throwback Thursday: Girard-Perregaux Makes History With Tri-Bridge Tourbillon

Girard-Perregaux founder Constant Girard (who married Marie Perregaux, the daughter and sister of well-known chronometer makers) devoted many years to designing and redesigning various escapement systems. He was particularly obsessed with the tourbillon. The fruit of this labor was a new invention: a tourbillon with three arrow-shaped parallel bridges holding the movement in place, making […]

By Adrienne Faurote