ETA 2678

sfoskett

5 years ago

This 1975 advertising photo shows the ETA 2678

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.

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.

This 1975 advertisement in Europa Star shows the key movements in the Ebauches SA family: ETA 2678, AS 5103/5106, ETA 2783, ETA 2824, AS 2063/2066, ETA 2878, FHF 411/412, ETA 2892, AS 5008, and VAL 7750

Calibre	Manual 21,600 A/h	Manual 28,800 A/h	Automatic 21,600 A/h	Automatic 28,800 A/h
Base	2640	2660	2650	2670
Date	2641 2691*	2661	2651	2671 2681*
Day/Date	2648	2668	2658 2688*	2678
Date Moon Phase				2675 2685*