细节
BREGUET, REF. 3757
FINE AND RARE MANUALLY-WOUND PLATINUM PERPETUAL CALENDAR TOURBILLON WRISTWATCH WITH RETROGRADE DATE AND LEAP YEAR INDICATION
NO. 2860, CIRCA 2001
Calibre 5581, movement plate inscribed Tourbillon Breguet No. 214, Brevet du 7 Messidor An 9, 21 jewels, one-minute tourbillon carriage, silvered engine-turned dial, polished chapter ring, Roman numerals, retrograde date indicated by blued steel serpentine hand, two subdials for day and month with leap year indication, large platinum case, milled band, sapphire crystal snap on case back, platinum Breguet deployant clasp, case, dial and movement signed
Diameter: 40 mm.