BF factory Patek Philippe v2 upgraded version 5227R-001 clamshell series men's automatic mechanical watch black surface

BF boutique V2 upgraded version Patek Philippe . Calatrava series . 5227R-001 Flip Series . It features a stable version of the original Cal.324 . SC fully automatic movement  . Diameter: 40mm . Genuine 1:1 . The highest quality in the market! (Ultimate modification: All structures are re-molded according to the original mold design, including the unique sound when the bottom cover is closed and adjusted to the same; all details are polished by CNC, the absolute perfect version!) )