1971

ETA 2650

July 1, 2019 by

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.

	Hand 21600	Hand 28800	Auto 21600	Auto 28800
Base	2640	2660	2650	2670
Date	2641 2691*	2661	2651	2671 2681*
Day/Date	2648	2668	2658 2688*	2678
Date Moon Phase				2675 2685*

ETA 2600 Family

July 1, 2019 by

ETA’s current compact compact watch movement family for ladies watches includes the Cal. 2671, 2678, and 2681.

	Hand 21600	Hand 28800	Auto 21600	Auto 28800
Base	2640	2660	2650	2670
Date	2641 2691*	2661	2651	2671 2681*
Day/Date	2648	2668	2658 2688*	2678
Date Moon Phase				2675 2685*

ETA 2660

June 10, 2019 by

Cal. 2660 was a compact hand-winding 3-handed movement produced from 1971 through 2004 (or perhaps as late as 2010) by ETA. It was closely related to the automatic ETA 2671 and ETA 2678.

	Hand 21600	Hand 28800	Auto 21600	Auto 28800
Base	2640	2660	2650	2670
Date	2641 2691*	2661	2651	2671 2681*
Day/Date	2648	2668	2658 2688*	2678
Date Moon Phase				2675 2685*

ETA 2678

June 3, 2019 by

ETA Cal. 2678 is a compact automatic movement with day and date primarily used in ladies watches. It is closely related to Cal. 2671.

Cal. 2678 is part of ETA’s regular “Mecaline” line. It was introduced in 1971 and is still produced as of 2019.

	Hand 21600	Hand 28800	Auto 21600	Auto 28800
Base	2640	2660	2650	2670
Date	2641 2691*	2661	2651	2671 2681*
Day/Date	2648	2668	2658 2688*	2678
Date Moon Phase				2675 2685*

ETA 2671

June 3, 2019 by

ETA Cal. 2671 is a compact automatic movement with date primarily used in ladies watches. It is closely related to Cal. 2678.

Cal. 2671 is part of ETA’s regular “Mecaline” line. It was introduced in 1971 and is still produced as of 2019.

	Hand 21600	Hand 28800	Auto 21600	Auto 28800
Base	2640	2660	2650	2670
Date	2641 2691*	2661	2651	2671 2681*
Day/Date	2648	2668	2658 2688*	2678
Date Moon Phase				2675 2685*