First-generation 11½ ligne automatic movement without date display. Predecessor to the 2821-2, featuring sweep seconds and running at 28,800 vph. Produced from 1971 to 1979.
Movement Type
Automatic
Power Reserve
40h
Frequency
28,800 vph (8 Hz)
Diameter
25.6mm
Height
4.6mm
Display Type
Analog
Rotor Type
central_rotor
Winding
automatic_bidirectional
Shock Protection
incabloc
BRAND
ETA SATYPE
AutomaticSTATUS
DiscontinuedMANUFACTURE
In-houseCALIBER FAMILY
28xxCOUNTRY
switzerlandALSO KNOWN AS
