HBF Factory Patek Philippe, with stop-seconds function and thickness matching the official specifications. The new Patek Philippe Cubitus 5821 and 7128 are available in the following sizes: .- Large: Diameter 45MM, Thickness 8.3MM .- Small: Diameter 40MM, Thickness 8.5MM .Highlights and features: .1. Movement: Equipped with a custom 9015 modified Cal. 26-330 SC integrated movement, featuring a stop-seconds function and automatic winding.2. Strap: Custom-grade 316L ergonomic strap with a new buckle design, suitable for various wrist sizes, combining casual and elegant styles.3. Case: Dimensions: Large 45MM and Small 40MM, with thicknesses of only 8.3MM for the large and 8.5MM for the small, in line with official specifications. The 7128R version has a strong heft due to its electroplated finish. The Cubitus series has launched new large and medium-sized watch models at 45MM and 40MM.