Chronometer (aka yacomino)
42121
I don’t think I am qualified to properly reply to your very interesting question as my collection is nowhere near the breath of the small selection you shared here which I know is only a glimpse of your amazing collection but…
Basically for any of the watch you posted above I would be happy to own any of them irregardless of whether they would be from the first run or not! Hope this make sense! What an amazing sets of beauties you just shared my friend!