Sifubuy, a reputable platform for purchasing luxury watches, takes the quality control (QC) of its Rolex GMT-Master II series watches very seriously. The company employs a meticulous process to ensure that the movements of these timepieces meet the highest standards of performance and reliability.The cornerstone of Sifubuy's QC process is the Sifubuy spreadsheet, a comprehensive tool used to monitor and document the quality inspection of the watch movements. This spreadsheet serves as a detailed record of various tests and checks performed on the Rolex GMT-Master II series watches.Within the spreadsheet, several critical aspects of the watch movement are meticulously recorded. These include:Timekeeping Accuracy:Power Reserve:Component Inspection:QC Personnel and Equipment:After a customer purchases a Rolex GMT-Master II series watch through the Sifubuy platform, they can review the spreadsheet to oversee the quality control of the watch's movement. This level of transparency is designed to instill trust and ensure that the customer is fully informed about the performance and reliability of their new timepiece.For more information on Sifubuy's quality control processes and to view the spreadsheet, visit Sifubuy's official website. Here, customers can gain a deeper understanding of the rigorous standards that Sifubuy upholds and how they contribute to the exceptional performance of the Rolex GMT-Master II series watches.