Audemars Piguet 15510 Series GW Edition - Upgraded V2 Version Men's Watch. Equipped with the reliable 9015 modified Cal.4302 movement, featuring super sapphire glass that is more wear-resistant and scratch-proof. It boasts exceptional luminous display. Each dial screw is made from imported Japanese materials, meticulously processed individually. The Taiwanese factory utilizes multiple procedures, and each component is polished and assembled with precision to fit closely to the wrist for comfortable wear. Each calendar is thoughtfully set with a matching color. The V2 version of the base plate has been fully updated to the 50th Anniversary rotor, pursuing meticulous detail in every aspect. Each part is carefully compared, with a diameter consistent with the original at 41mm. With 20 years of experience, the Taiwanese factory focuses on crafting the strongest polished steel, ensuring overall quality that rivals major manufacturers.