I recently had my grandfather’s old Seamaster serviced at Omega AD, reference 168.023.
They unfortunately changed the hands.
I have requested them to change them back to the original, and in the meanwhile I’ve successfully relumed the flaking lume hands.
But i found this rubber bit, which seems to have come out of the hour hand hole.
Is this a necessary part of the watch? Chat-gpt is exacerbating my fears, and saying this rubber bit might be a…