細節
Breguet. A fine 18K gold one minute tourbillon wristwatch
Signed Breguet, Tourbillon Messidor, Classique Grande Complication model, No. 4380, Brevet du 7 Messidor an 9, movement no. 67, case no. 4380A, manufactured in 1990
Cal. 558 three quarter plate finely engraved mechanical movement, 21 jewels, engine-turned silvered solid gold dial, Roman numerals on blank chapter ring, secret signature between XI and XII and between XII and I, blued steel Breguet hands, aperture to the lower part exposing the three-armed one minute tourbillon carriage, three blued steel arms attached to the tourbillon indicating each third interval of the minute on a half gauge calibrated for 20 seconds, circular case with coin-edged band, glazed display snap on back, 18K gold Breguet buckle, case, dial and movement signed
36 mm. diam.