Family: 17xx
Caliber 1731 is a manual-winding ultra-complex movement from Vacheron Constantin, introduced in 2014. It serves as the base movement for reference 57260, recognized as one of the most complicated watches ever created. The movement is produced in limited quantities for bespoke commissions and belongs to the 17xx caliber family. It is manufactured in-house by Vacheron Constantin.
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Display Type
Analog
QUICK FACTS
BRAND
TYPE
Manual WindingSTATUS
LimitedMANUFACTURE
In-houseLAUNCH YEAR
2014CALIBER FAMILY
17xxALSO KNOWN AS
cal. 1731