Frederique Constant Manufacture Classic Perpetual Calendar /Root/Start/Breitling/Premier B15 Duograph The Annual Calendar is a

The Annual Calendar is a Patek invention from 1996

Reference 5327R-001 executes this complication in a Rose Gold case with a white dial

and a screw-down crown secures it

The IWC manufacture calibre 82200 with 31 jewels and Pellaton winding system offers 60 hours of power reserve at 28

Frederique Constant Manufacture Classic Perpetual Calendar /Root/Start/Breitling/Premier B15 Duograph The Annual Calendar is aFrederique Constant Manufacture Classic Perpetual Calendar (Reference FC 776SAL3H6) This model belongs to the Manufacture line of Frederique Constant and carries the model designation Perpetual Calendar. The stainless steel case measures 40 mm. The dial is presented in ros. The features include date display, month display, day of week display, perpetual calendar, and moonphase. A sapphire crystal protects the display. Water resistance is 50 meters.