Rolex Daytona — B Factory

B Factory Rolex Daytona full weighted collection featuring 4130 solid caseback (217g) and rubber strap version (154–155g), 4131 sapphire caseback (217g) with rubber strap (158–159g), and 4132 sapphire caseback (208g), all equipped with Shanghai true free-sprung micro-adjustment movements; all dial colors and details match the original with no color difference, hour markers are finely chamfered and platinum-plated for lasting finish, crisp and dimensional dial printing; custom 904L stainless steel bracelet with top-tier brushing and natural fluororubber strap with memory insert; hands are platinum-plated with no burrs, all sub-second and central seconds use solid pinion construction with mushroom-shaped caps; ceramic bezel filled with platinum via PVD for accurate engraving and premium finish; caseback lugs feature clear K-gold hallmarks; entire series uses upgraded Shanghai true free-sprung weighted 4130/4131/4132 movements with excellent stability and up to 72-hour power reserve