The ETA 2660 is a very small automatic movement designed for petite ladies' watches. At 11.5mm diameter, it is one of the smallest automatic calibers available.
Movement Type
Automatic
Jewel Count
25 jewels
Power Reserve
38h
Frequency
28,800 vph (8 Hz)
Diameter
11.5mm
Height
4.5mm
Display Type
Analog
Rotor Type
bidirectional
Winding
ball bearing
Shock Protection
Incabloc
BRAND
ETATYPE
AutomaticSTATUS
In ProductionMANUFACTURE
ÉbaucheCALIBER FAMILY
26xxCOUNTRY
SwitzerlandALSO KNOWN AS