Audemars Piguet 15510 Series GW Edition, upgraded V2 version, men's watch equipped with the stable performance 9015 modified Cal. 4302 movement. Super sapphire glass for enhanced scratch resistance and durability. Exceptional luminous display. Each dial marker is individually processed in Japan. The Taiwanese factory employs multiple procedures; each piece is carefully polished and assembled for a close fit on the wrist, ensuring comfort. Each date is meticulously set with a matching color. The V2 version of the movement features an updated 50th anniversary rotor. Pursuing precision and attention to detail, every component has been carefully compared. The diameter is consistent with the original at 41mm. With 20 years of experience, the Taiwanese factory specializes in crafting the strongest polished steel, ensuring overall quality that rivals major manufacturers.