Masters of Horological Excellence
Three decades of precision, authenticity, and uncompromising craftsmanship in luxury timepiece services.
Founded in 1993, Proven Chrono has established itself as the premier destination for discerning collectors and enthusiasts seeking authentic luxury timepieces and professional chronometer services. Our team of certified master horologists combines traditional Swiss-trained craftsmanship with cutting-edge precision technology.
We specialize in the authentication, restoration, and certification of the world's most prestigious watch brands, including Patek Philippe, Rolex, Audemars Piguet, and Vacheron Constantin. Our state-of-the-art laboratory features atomic clock synchronization and microscopic analysis equipment, ensuring every timepiece meets the highest standards of chronometric precision.
Our commitment extends beyond mere timekeeping to preserving horological heritage. Each restoration project is documented with detailed provenance reports, maintaining the historical integrity and investment value of your precious timepieces. We are authorized by the Swiss Chronometer Testing Institute (COSC) and maintain partnerships with major luxury manufacturers worldwide.
