There is no improvement. Its the deviation which carries on their back for some time. Some batches are good, some are bad.
Apr 21, 2021,11:28 AM
Also the finishing has to be exposed under a lens. Loupes don’t show much detail. You want great excellent finishing? Take a look at those of $400,000 upwards, like 5078, 5531, 5372 and so on.
Patek has been improving its finish since a decade, I won't be surprised to hear that your brand new movement is better finished (under loupe) than the former 324. I compared 324 to its predecessor 315, the quality (esp. the edge polishing, i.e. bevelling...
Also the finishing has to be exposed under a lens. Loupes don’t show much detail. You want great excellent finishing? Take a look at those of $400,000 upwards, like 5078, 5531, 5372 and so on.