Too many to list (add yours in the comments below!)
The ETA caliber 2824-2 is perhaps one of the most well-known and most recognized movements in the watch industry. It has been in production since 1982 and was based off of the original Eterna caliber 1427. The “-2” designation indicates the generation.
Standard – adjusted in two positions; accuracy of +/-12 sec/day up to +/- 30 sec/day
Elaborated – adjusted in three positions; accuracy of +/-7 sec/day up to +/- 20 sec/day
Top – adjusted in five positions; accuracy of +/-4 sec/day up to +/- 15 sec/day
Click here for more examples of 2824-2 movements that are branded under different caliber numbers.
Since the patent giving exclusive rights to ETA for the design of the 2824-2 expired, there have been similar movements popping up that are based on this movement: For example the Sellita caliber SW200, STP1-11, Valanvron VAL-24, Hangzhou caliber 6300, Seagull caliber ST2130.