Breguet No. 890 "Montre Répétition, Echappement Duplex". A rare gilded brass à toc quarter repeating movement with duplex escapement, in later 18K gold hunter case

Breguet No. 890 "Montre Répétition, Echappement Duplex". A rare gilded brass à toc quarter repeating movement with duplex escapement, in later 18K gold hunter case
Signed Breguet, movement no. 890, sold on 27 August 1806 to Monsieur Durule Fils for Monsieur Ph. Church in New York for the sum of 2,000 francs
Full plate gilded brass movement, duplex escapement, plain three-arm brass balance, pare-chute suspension on the pivot, blued steel flat balance spring with bimetallic compensation curb on the regulator, à toc quarter repeating, later gold cuvette, later engine-turned silver dial, Roman numerals on blank chapter ring, outer minute track, blued steel Breguet hands, subsidiary seconds, later plain circular case, movement signed Breguet No. 890, case stamped with London date letter for 1849 and casemaker's initials AN possibly for Adolph Nicole
62 mm. diam.