Vacheron Constantin. An 18K gold automatic calendar chronograph wristwatch with sigma dial Vache...

Vacheron Constantin. An 18K gold automatic calendar chronograph wristwatch with sigma dial Vacheron Constantin. Chronographe bracelet en or jaune 18K (750) avec cadran sigma mouvement automatique Model: Patrimony Chronograph Reference: 47001 Date: Circa 1990 Movement: 51-jewel Cal.1126 automatic, adjusted to heat, cold, isochronism and 5 position, 21K gold rotor edge, No.748277 Dial: White tapisserie grid, applied 18K gold baton hour markers, black outer 1/5th second divisions, sunken subsidiary dials at 6, 9 and 12 for seconds, 30 minute and 12 hour recording, 18K gold pointed baton hands, blued steel centre chronograph hand Case: Brushed and polished round, back secured by 4 screws, stepped bezel, crown flanked by twin pushers, No.591822 Strap/Bracelet: Brown alligator leather Buckle/Clasp: 18k gold buckle Signed: Case, dial & movement Size: 38mm Weight: 73,40g This lot is subject to the following lot symbols: Y Y Subject to CITES regulations when exporting items outside of the EU, see clause 13. For further information on this lot please visit Bonhams.com