I echo the advice of other comments.
Look at getting it insured. Then your dad can wear it without worry.
Do not change anything cosmetic.
Have a respected specialist do the mechanical work.
Where are you located? - then people could give recommended watchmakers.
I echo the advice of other comments.
Look at getting it insured. Then your dad can wear it without worry.
Do not change anything cosmetic.
Have a respected specialist do the mechanical work.
Where are you located? - then people could give recommended watchmakers.