The Villeret hand-wound watch has an impressive background: the caliber 15B. It's part of a collection of watches with beautifully crafted dials, showcasing Blancpain's artistic talents. The case is a spacious 45mm, giving the artwork plenty of space to stand out. This specific model, reference 6615-3616-55B, has a dial made of 18ct red gold and titanium, expertly engraved using an ancient technique called Shakudō. The dial depicts a fish, adding an extra touch of uniqueness to this luxurious timepiece.