The Audemars Piguet caliber 3120 is a Swiss made automatic movement found in various AP models including the Royal Oak Selfwinding, Royal Oak Offshore, and Jules Audemars Selfwinding.
This movement is comprised of 280 components. The rotor is produced from a single block of 22K gold. Other features include:
“This exceptional selfwinding movement combines functionality and precision timekeeping with the highest standard of aesthetics. “