1991 Tourbillon at IWC calibre 790xx #03
Based onto parts from IWC calibres 3759 and 790. "Flying" tourbillon, with "flying" pallet fork and escape wheel. Carriage made from two polished steel parts. Monometal screw balance with Breguet overcoil.
Based onto parts from IWC calibres 3759 and 790. "Flying" tourbillon, with "flying" pallet fork and escape wheel. Carriage made from two polished steel parts. Monometal screw balance with Breguet overcoil.