The Blancpain Villeret ref: 6665-3642-55B features a 40mm case crafted from rose gold. It is powered by the manual winding Blancpain caliber 5254DF. The watch displays time with both 12-hour and 24-hour indications, along with a day/night indicator. Additionally, it includes a date function and a power reserve indicator. The dial is presented in white, providing a clean backdrop for the various complications. This model exemplifies the brand's commitment to traditional watchmaking techniques.