APS v3 version of the strongest integrated tape version 15400 1. Consistent with the original version: diameter 41 mm and thickness 9.8 mm 2. The APS version 15400 is the only version on the market that can be interchanged with all parts of the original version. All structural positions and assemblies of the watch case The method is consistent with the original version 3. The delicate brushing of the case and the non-sharp craftsmanship highlight APS's meticulous attention to details. 4. The movable head design at the head of the watch strap is consistent with the original one. 5. The APS version of 15400 blue There is almost no color difference between the color, the workmanship and the genuine product.