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.
Last updated 8 Jul 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Display Type
Analog
Winding
Manual
COMPLICATIONS
Tourbillon
QUICK FACTS
TYPE
Manual WindingSTATUS
In ProductionMANUFACTURE
In-houseCALIBER FAMILY
3 SeriesALSO KNOWN AS
pts tourbillon
FOR WATCH DEALERS
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