Ball Watch's COSC-certified moon phase caliber featuring a unique double moon phase complication showing lunar positions from both northern and southern hemisphere perspectives. Equipped with Ball's patented Amortiser anti-shock system rated at 5,000G. Non-magnetic to 4,800A/m. Powers the Engineer II Moon Phase Chronometer collection.
Movement Type
Automatic
Jewel Count
25 jewels
Power Reserve
38h
Frequency
28,800 vph (8 Hz)
Diameter
25.6mm
Height
5.65mm
Display Type
Analog
Rotor Type
bidirectional
Shock Protection
Amortiser
BRAND
BALL Watch CompanyTYPE
AutomaticSTATUS
In ProductionMANUFACTURE
ÉbaucheCALIBER FAMILY
RR18xxCOUNTRY
SwitzerlandALSO KNOWN AS
