VACHERON CONSTANTIN REF. 47001 YELLOW GOLD CHRONOGRAPH VACHERON CONSTANTIN CHRONOGRAPH REF. 47001 18kt yellow gold case, case back tightened with screws, pump chrono buttons, crown marked, stepped bezel, white tapisserie Sigma dial, black graphics, applied indexes, three counters, seconds at twelve o'clock, self-winding movement cal 1126 no. 765918, non-original black leather strap, 18kt yellow gold buckle marked Vacheron Constantin, mineral glass, gr. 73. Diam. mm 37