CO 984 is an automatic chronograph movement manufactured by Corum. It is based on the ETA 2894-2 and features a date display, 30-minute chronograph counter, and small seconds subdial. The caliber measures 28mm in diameter, contains 37 jewels, operates at 28,800 vph, and provides a 42-hour power reserve. The movement is used in the Admiral's Cup collection and remains in production.
Last updated 8 Jul 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
37 jewels
Power Reserve
42h
Frequency
28,800 vph (4 Hz)
Diameter
28mm
Display Type
Analog
COMPLICATIONS
DateChronograph
FEATURES
Small Seconds
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
ÉbaucheBASED ON
ETA SA 2894.2CALIBER FAMILY
CO 9xxALSO KNOWN AS
caliber co 984
FOR WATCH DEALERS
Sell watches powered by the CO 984?
Inventory, Chrono24 and eBay sync, and VAT invoicing. Dealer tools are built on this database.