細節
Bourdin. A fine 18K gold hunter case quarter repeating keywound pocket chronometer watch with power reserve and box
Signed Bourdin, Hger Breveté, Rue de la Paix 28 a Paris, No. 7371, circa 1840
Keywound spring detent movement, bimetallic compensation balance with gold poising screws, repeating on two hammers onto two gongs, gold cuvette, white enamel dial, Roman numerals, fan-shaped power reserve, constant seconds, engine-turned circular case, engraved initials to the front, engraved coat-of-arms to the back, both surmounted by a crown, repeating slide in the ribbed band, cuvette signed and numbered, case stamped with casemaker's initials EM
50 mm. diam.