Muller Sasu is a company based in Besançon, France that specializes in the design, development, and production of timepieces and jewelry. They offer a comprehensive range of services from design to customer service management. Precious metals and components are purchased in Switzerland, while diamonds come from legitimate sources. Machining, manufacturing, and assembly are done in their French workshop, which has an excellence label for craftsmanship. They also have a workshop in Le Locle, Switzerland that provides assembly, testing, and after-sales services to certify the watches as Swiss Made. Muller Sasu has received several national and international awards for their design, development, and production activities, including an innovation trophy in