What does the -2 in ETA movements 2824-2, 2893-2 etc? Also they mentioned grades (standard, elabore, chronometer) but I thought I read somewhere that possibly the added -2 combined all grades to mean the Same?
According to movement authority Ranfft, the 2824 was manufactured from 1971 - 1979. The 2824-2 was introduced in 1981. In between those times there was a 2824-1.
And the "-2" does not in any way influence the different grades of quality (standard, elaborate, top, and chronometer). All it means is that there were previous versions of the ETA 2824.
Not at all! If I may re-use an overused (but true) phrase, it is one of the main workhorses in ETA's arsenal of movements and one of the most popular. It may not be "pretty to look at" but it works great... accuracy of +/- ten seconds per day is common and it can be fine-tuned even better by a good watchmaker.
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