Ultra-thin upgrade to 12.2mm, the latest fifth-generation Daytona, features genuine independent steel buttons, with the latest matte black carbon black replica version in 40mm high-end quality! Fully solid stainless steel Daytona! Equipped with an improved version of the latest movement, which is not the common 13.5mm case available in the market. Options for leather straps, rubber straps, or stainless steel straps! Comes with the original factory storage box! Includes a complete set of tools and genuine button leather strap! .Exciting details: .1. The new black stainless steel Daytona has three main changes: the rubber strap has been upgraded with separate CNC-developed steel buttons, allowing for free pairing with any strap of the same size in the future!.2. The strap is made of silicone material or stainless steel, and each case has been processed with CNC for all details, followed by manual finishing, polishing, and meticulous quality inspection.3. The movement uses a stable and improved version of the latest generation Dandong Cal. 7750 ultra-thin mechanical movement, synchronized with the chronograph function available at the official store. The strap is equipped with an adjustable oyster-style safety clasp to prevent accidental opening. This elegant solid link strap is comfortable to wear and very easy to operate!.Includes a BLAKEN modified storage box with tools and a genuine button leather strap. Accessories lost are not eligible for return or exchange-an earnest creation. We welcome all watch enthusiasts to appreciate it!