3004. 3004Y Vacheron Constantin. A very fine and rare 18K gold manual wind concealed 20 dollars coin wristwatch with skeleton dial Vacheron Constantin. Très belle et rare montre bracelet en or jaune 18K (750) dissimulée dans une pièce de 20 dollars avec cadran squelette mouvement mécanique Date: Circa 1982 Movement: Jewelled manual wind Dial: Skeleton gilt, Vacheron Constantin Maltese cross to spring barrel, black pointed hands Case: Brushed and polished inner hinged case, outer case in the form of a United States of America 20 dollars coin dated 1898, winding crown at 1, hinged front opened via push button in milled band at 3 Strap/Bracelet: Vacheron Constantin black alligator leather strap Buckle/Clasp: Signed 18K gold buckle Signed: Case, dial & movement Size: 35mm Weight: 42,51g