|Winding:||Automatic, Bi-Directional Automatic Winding, Central Rotor Automatic Winding|
|Diameter:||19.40 mm (8.75 ligne)|
|© ETA Cal. 2671 is a popular automatic for ladies watches||Complications:||Date, Hacking Seconds, Quick Date Correction, Semi-Instantaneous Date Change|
|Hands:||Central Hour Hand, Central Minute Hand, Central Seconds Hand|
|Distinguishing Technical Characteristics|
Counter-Clockwise Balance Cock
|Production: 1991 – Current|
ETA Cal. 2681 is a compact automatic movement with date.
Cal. 2681 is part of ETA’s regular “Mecaline” line. It was introduced in 1981 and is still produced as of 2019.
Longines uses Cal. 2681 as their Cal. L580.
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.