EPURE LIERRE DE PARIS

"Je Sonne que les Heures Heureuses" engraved case back with sapphire crystal opened on the movement.
Mechanical movement with automatic winding from the Manufacture Girard-Perregaux, oscillating weight angled by hands and open-worked with Boucheron master's seal.
Water-resistant up to 50 meters, power reserve of approximately 40 hours 28'800 bph, 27 jewels.
41 mm diameter watch case.
White alligator strap.
18k white gold