WARRANTY IS VALID FOR 90 DAYS FROM THE DATE OF PURCHASE AND COVERS ANY DEFECTS IN WORKMANSHIP OR MATERIAL. THE DETERMINATION OF THE ORIGINALITY OF THE REPAIR IS PERFORMED IN OUR ATELIER. EXCLUDED FROM THE WARRANTY ARE THE NECESSARY REPAIRS DUE TO FALLS, IMPROPER USE, ACCIDENTS OF ANY KIND AND CONTACT WITH ABRASIVE AGENTS SUCH AS CREAMS, MOISTURIZING OILS AND HOUSEHOLD CLEANING PRODUCTS; THAT COULD DAMAGE THE JEWELS OF GUERREIRO.