Patek Philippe 26-330-S-QA-LU-24H

Caliber 26-330 S QA LU 24H is a self-winding movement manufactured by Patek Philippe featuring a patented annual calendar mechanism that displays day, date, and month through apertures, along with a moon-phase display and 24-hour indication. The movement measures 32.6 mm in diameter and 5.8 mm in height, operates at a frequency of 28,800 vph, and delivers a power reserve of approximately 35 to 45 hours with 34 jewels. Automatic winding is provided by a central 21-carat gold rotor. The caliber remains in production.