Vacheron Constantin Ref. 6406 circa 1960 | 18ct gold vintage wristwatch with Certificate of Origin - Black Bough | Ludlow
Vacheron Constantin Ref. 6406 circa 1960 | 18ct gold vintage wristwatch with Certificate of Origin - Black Bough | Ludlow,Vacheron Constantin Traditionnelle Tourbillon Retrograde Date Openface – The Watch Pages,Vacheron Constantin Ref. 6406 circa 1960 | 18ct gold vintage wristwatch with Certificate of Origin - Black Bough | Ludlow,212KB,Fiftysix自動上鍊- 40 毫米- 精鋼