Ref.5135R is equipped with the Cal.324 S QA LU 24H mechanical movement produced by the Patek Philippe watch factory.
The movement adopts an automatic winding mechanism and measures 32.6mm×5.78mm. 4 Hz vibration frequency, 34 diamonds
Composed of 356 parts, maximum power reserve of 45 hours
Equipped with exclusive Gyromax variable inertia balance wheel, Spiromax silicon hairspring, Incabloc shock absorber
Certified with the Patek Philippe Seal (PP Seal)
Has hours, minutes, seconds, annual calendar (date, day of the week, month), and moon phase functions