The Patek 5450 represents the culmination of Patek Philippe’s ‘Advanced Research’ Annual Calendars. It features the caliber 324 with annual calendar fitted with Gyromax balance, Silincar Spiromax balance spring and silicon Pulsomax escape wheel.


The Patek 5450 represents the culmination of Patek Philippe’s ‘Advanced Research’ Annual Calendars. It features the caliber 324 with annual calendar fitted with Gyromax balance, Silincar Spiromax balance spring and silicon Pulsomax escape wheel.
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