It's not mandatory that dials get such marks over time. It has to do with how the watch was used/stored/worn or, perhaps, various accidents.
The watch is from the 1970s btw.
The hands don't have any lume, apparently. Did it fall off or is this how it was designed ? (usually it should have had lume but I don't know this particular model) Tbh I wonder whether they are the original ones for the watch. Might be replacements...
I don't know what caused the marks. Usually if you take good care of it and if it has been cleaned/treated accordingly it shouldn't spread but sometimes the damage to the paint/laquer can cause it to flake as time goes by but those are pretty extreme cases of damage.
Is the seller based in India/South-America by any chance ? Be careful of those. Can't tell for sure if the dial is genuine. Seems a bit suspicious... The positioning of the swiss made... the ink...
Looks a bit like this one but there are slight differences. Seconds hand, dial font is a bit different... Case has been polised, definitely.
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