The 5175R-001 is first Grand Master Chime released with a retail of 2,6 million Dollar 😲 Only 7 pieces were made. One of the 7 is kept by Patek for their museum. More than 100,000 hours were logged for development, production and assembly, of which 60,000 hours for the components of the movement 🤯 One of the remaining 6 was offered in 2020 for 50 million Dollars on the grey market. The piece unique Grandmaster Chime Ref. 6300A-010 was sold in 2019 for 31 million Dollar during the Only Watch ch