Family: Defy50h power reserve36,000 vph (5 Hz)
Caliber 9004 is an automatic chronograph introduced by Zenith in 2017 as part of the Defy collection. It measures 1/100th of a second using dual escapements operating at 36,000 vph for timekeeping and 360,000 vph (50 Hz) for the chronograph function. The movement contains 838 parts with silicon components and a gyropendulum, delivering 50 hours of power reserve for time and 5 hours for the chronograph. It remains in production.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Power Reserve
50h
Frequency
36,000 vph (5 Hz)
Display Type
Analog
COMPLICATIONS
Chronograph
FEATURES
Silicon Hairspring
More Zenith movements
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2017CALIBER FAMILY
DefyALSO KNOWN AS
cal. 9004defy el primero 21
FOR WATCH DEALERS
Sell watches powered by the 9004?
Inventory, Chrono24 and eBay sync, and VAT invoicing. Dealer tools are built on this database.