Patek Philippe Complications 5205G-013

This Patek Philippe Annual Calendar 5205G-013 has a mechanical automatic self-winding Patek Philippe caliber 324 S QA LU 24H/206 (based on their caliber 324 SC) movement. It’s rhodium-plated with oeil-de-perdrix and fausses cotes embellishment, and the Patek Philippe seal. It’s constructed with 34 jewels, 356 components, 10 bridges, an index regulator, and a straight-line lever escapement. It has the patented Patek Gyromax balance that adjusts to cold, heat, isochronism, and 5 positions, and a 21k gold rotor with the Calatrava symbol. There is a shock absorber mechanism, a self-compensating free-sprung flat Spiromax balance spring, and the mechanism oscillates at 28,800 vph (4 Hz).