25 jewels80h power reserve28,800 vph (4 Hz)
The BALL Watch Company RRM7309-C is an automatic caliber with a bidirectional rotor, an analog display, 25 jewels, a power reserve of 80 hours, a frequency of 28,800 vph (4 Hz) and a date complication, made in Switzerland. It measures 34.24 mm in diameter. It launched in 2018. It is in production. It is an in-house caliber of BALL Watch Company.
Last updated 29 Apr 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
25 jewels
Power Reserve
80h
Frequency
28,800 vph (4 Hz)
Diameter
34.24mm
Display Type
Analog
Rotor Type
Ball Bearing
Winding
Automatic (Bidirectional)
Shock Protection
Novodiac
COMPLICATIONS
Date
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseLAUNCH YEAR
2018COUNTRY
SwitzerlandFOR WATCH DEALERS
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