Audemars Piguet 15510 series GW upgraded V2 version mechanical men's watch equipped with stable performance 9015 modified Cal.4302 movement, super sapphire glass, more wear-resistant, scratch-resistant and super luminous display. Each nail is imported and processed separately from Japan. The steel belts manufactured in Taiwan also undergo multiple processes. Each steel belt is polished and spliced in the later stage to make it closer to the wrist and more comfortable to wear. Each calendar is carefully set and individually matched to the color. The bottom top V2 version has all been updated for the 50th anniversary to pursue fine details. Every part is carefully compared for refinement. The diameter is the same as the original one, 41mm. The Taiwanese factory has the experience to focus on the strongest polishing steel king factory.