Family: 3 Series
The 3 Series is a hand-winding tourbillon caliber designed by PTS Resources and manufactured by Hangzhou Watch Company. It is an in-house movement featuring a PTS-designed tourbillon mechanism. The caliber remains in production and is used in premium offerings from Hangzhou Watch Company.
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Display Type
Analog
QUICK FACTS
TYPE
Manual WindingSTATUS
In ProductionMANUFACTURE
In-houseCALIBER FAMILY
3 SeriesALSO KNOWN AS
pts tourbillon