Condition: Ref. 666 Cal. 8521 Mechanism: rhodium-plated Swiss single bridge movement, ruby lever escapement, compensation balance with Breguet balance spring, polished and beveled steel cadratures, self-winding. Material: 18ct. Yellow gold case, black metal dial with gold hour markers, gold hands, leather strap. Special feature: Every watch purchased from us comes with a 2-year guarantee Condition: Movement: 1 Case: 1 Dial: 2 (refurbished/repainted) Condition grades: 0 = unworn 1 = as new 2 = hardly any signs of wear 3 = signs of wear 4 = significant wear 5 = severe damage 6 = garbage can Dial: 1 = original 2 = refurbished/restored