No off a something that used a lemania 1873 (861 omega) It’s not an uncommon movement and the theory is it was a readily available spare. We used to see a lot more of these hands on watches on eBay. They are more narrow then the mkii. Been a year or so since I’ve seen this.
It is possible the white flaked off at a service and this was the easy fix... but these used to be common. If it was a fix for flaked paint you would see some sign of it.
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