GF Factory Breitling Patek Philippe Series (Salmon) AB2510201K1P .Still adhering to the original quality, with top-notch craftsmanship, highly recommended! .Diameter: 42MM, matching the authentic size .The strap is made of calfskin, identical to the genuine strap, both in material and detail. The movement uses the excellent B25 caliber. To optimize the stability of the B25, each movement is carefully selected to achieve the best possible stability. The case maintains the original quality of the shell, from the choice of steel to the precision of design drawings, and the standardization and polishing of the overall processing. Every step is strictly controlled to achieve the highest level of authenticity, providing consumers with a true attitude.The glass features the same domed sapphire crystal as the original, with an anti-reflective coating and high transparency, maintaining the blue light refracted at the same angle! .The difficulty of replication is not very high, but attention to detail is essential. All GF components are interchangeable with the genuine product, which is what qualifies it as a top-tier replica! A masterpiece crafted by GF, welcome to appreciate it.