APS15400 ultimate version integrated movement 1. Same as the original version: diameter 41 mm and thickness 9.8 mm 2. The APS version of 15400 is the only version on the market that can be interchanged with all parts of the original version. All structural positions and assembly methods of the case are the same as the original version. Consistent 3. The delicate brushed and non-sharp craftsmanship of the case highlights APS’s meticulous attention to details. 4. The movable head design of the strap head connecting the watch head is consistent with the genuine product. The APS version of the 15400 dial is newly upgraded as follows 1. CNC three-dimensional engraved dial surface 2. The dial is finely ground and has a refraction effect 3. The pinholes also have texture (exclusive craftsmanship) 4. The color of the text is consistent with the original.