A tribute to the precision clocks used in watchmaking workshops in the past, this rose gold self-winding Annual Calendar Regulator stands out with its vertical satin-brushed two-tone graphite and ebony black dial. Its high-tech regulating movement incorporates a Pulsomax® escapement and a Spiromax® balance-spring in Silinvar®: two developments from the Patek Philippe Advanced Research department. Maker: Patek Philippe. Reference: 5235/50R-001. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.