Breguet Classique Grande Sonnerie Métiers d’Art 1905 (2025)

Case is 56.5mm with a thickness of 23, 5mm in 18k “Breguet Gold”, sapphire crystal, dust and moisture resistant only. Case band, bow and rear cover are decorated with Quai de I’Horloge guilloché, the back covered with Bleu de France grand feu enamel and a Breguet “B”. Front cover is hand-engraved with the River Seine and Breguet’s historic Quai de I’Horloge workshop, with the river itself picked out in Bleu de France enamel.Regulator-style dial in Breguet Gold with Quai de I’Horloge guilloché and a white enamel hours insert with pantograph-engraved secret signature, blued (PvD) tourbillon bridge and hammers. Movement is manual-winding caliber 508 GS running at 18, 000bph, with tourbillon, grande and petite sonnerie, minute repeater and a magnetic strike governor; the going train winds clockwise and the strike train counterclockwise, with the movement inverted so the strike works are on full display behind a sapphire cuvette. Power reserve is 56hrs for timekeeping with around 36hrs of striking in grande sonnerie mode. White gold gongs are fixed directly to the Breguet Gold case, which is extensively hollowed yet still holds about 400g of gold to act as a resonant body. Delivered on an 18k Breguet Gold chain with matching guilloché clasps, in a presentation box made from “Marie-Antoinette oak” with a spruce resonance tray from the Risoud forest. Made to order in extremely low numbers. Price on request.