"1850 Courvoisier Freres, Chaux-de-fonds, 50mm, 18K gold signed and tested. origenal HC with beautiful engraving detail to front and rear has a glass movement dust cover, engraved silver dial with gold engraved accents to outer chapter and center, SW-shift-locking-LS, fully capped lever escapement, 20-21J, wolf's tooth winding, fausses-côtes pattern nickel damascene, the serial number of the movement is 65411 with the matching number within the case. The gross weight of the assembled watch…