Vacheron Constantin Fiftysix Complete Calendar 40mm

Case:
18K 5N rose gold.
Size: 40 mm.
Thickness: 11.60 mm.
Transparent case back, sapphire glass.
Water-resistant to 30 meters.
Bracelet:
Dark brown alligator leather.
Size: 20/18.
Rose gold ardillon buckle.
Movement:
Caliber 2460 QCL/1.
Self-winding.
Size: 29 (11 ¼”’).
Thickness: 5.4.
Number of parts: 308.
Number of jewels: 27.
Power reserve: 40.
Frequency: 28800 v.p.h. (4 Hz).
Certification: Hallmark of Geneva.