Audemars Piguet 15510 Series, produced by GW, upgraded to V2 version. This men's watch is equipped with the reliable 9015 modified Cal.4302 movement. It features super sapphire crystal, offering enhanced scratch resistance. The strong luminous display ensures excellent visibility in low light. Each dial pin is meticulously crafted from imported Japanese materials. The Taiwanese factory employs multiple processes to ensure that each piece is polished and assembled with precision, providing a comfortable fit on the wrist. Every date display is carefully set with matching colors. The bottom rotor of the V2 version has been updated to the 50th anniversary rotor. Attention to detail is paramount, with each component carefully compared and crafted. The diameter is consistent with the original at 41mm. With 20 years of experience, the Taiwanese factory focuses on achieving the highest quality in polished steel, resulting in exceptional overall quality that rivals major manufacturers.