If you are looking for the most perfect version, with the neat movement, the heart moving like the original, these are the ones you are looking for.RM-052 JB factory version.
Detailed specifications :
Factory : JB Factory Case Material: Titanium coated carbon Strap Material: Rubber Strap Movement: Tourbillon Movement Case Size: 49.8 x 44.3 x 16.4mm Function: All Functions Working. Functions the same as the genuine version.
