The Ball caliber RR1101 is an automatic movement based on the ETA 2892A2, featuring a date complication and sweep seconds. It operates at 28,800 vph and includes Ball's SpringLOCK patented hairspring shock protection. A chronometer-certified variant, the RR1101-CSL, adds COSC certification and Ball's SpringSEAL regulator protection. The movement appears in various Ball Engineer models.
Movement Type
Automatic
Display Type
Analog