Family: CH 2840 jewels45h power reserve28,800 vph (4 Hz)
Chronograph with annual calendar and 24h display
Last updated 24 Oct 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
40 jewels
Power Reserve
45h
Frequency
28,800 vph (4 Hz)
Diameter
33mm
Height
7.68mm
Display Type
Analog
COMPLICATIONS
ChronographAnnual Calendar
FEATURES
24-Hour Disc
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2006CALIBER FAMILY
CH 28ALSO KNOWN AS
cal. ch 28-520 irm qa 24h
FOR WATCH DEALERS
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