The Blancpain Villeret reference 6615A-3612-55B features a 45mm case crafted from rose gold. This timepiece operates on a manual winding movement, specifically the caliber 15B. The design emphasizes simplicity and elegance, making it a notable addition to any collection. The watch is characterized by its classic aesthetic, suitable for various occasions. With its robust construction and traditional mechanics, it stands as a testament to the brand's dedication to watchmaking.