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Brand: | ETA | ![]() ![]() ![]() ![]() |
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Family: | |||
Height: | 4.80 mm | ||
Jewels: | 25 | ||
Reserve: | 44 hours | ||
Frequency: | 28,800 A/h | ||
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 | |||||||||||
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![]() Central-Rotor Automatic ![]() Counter-Clockwise Balance Cock ![]() Etachron Regulator |
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Production: 1991 – Current | |||||||||||
1910s | 1920s | 1930s | 1940s | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020s |
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.
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.
Calibre | Manual 21,600 A/h | Manual 28,800 A/h | Automatic 21,600 A/h | Automatic 28,800 A/h |
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Base | 2640 | 2660 | 2650 | 2670 |
Date | 2641 2691* | 2661 | 2651 | 2671 2681* |
Day/Date | 2648 | 2668 | 2658 2688* | 2678 |
Date Moon Phase | 2675 2685* |