|Winding:||Automatic, Central Rotor Automatic Winding|
|Diameter:||7.20 mm (7.75 ligne)|
|Image from TimeConnection.com||Complications:|
|Hands:||Central Hour Hand, Central Minute Hand, Central Seconds Hand|
|Distinguishing Technical Characteristics|
Counter-Clockwise Balance Cock
|Production: 1971 – 1980|
ETA Cal. 2650 is a compact automatic movement. Measuring just 7.75 ligne in diameter, it is primarily used in ladies watches. It was produced from 1971 through about 1980.
ETA produced a variety of movements in the 2600 family since the 1970s. This includes both automatic and hand-winding variants, 7.75 and 8.75 ligne sizes, and 21,600 A/h and 28,800 A/h versions. In the table below, 8.75 ligne movements are denoted with an asterisk and currently-produced movements in bold.