My father bought me a watch, but I don't really like it.

Literal

Father [subject-が] watch [object-を] bought [for me-てくれた] [but-が], not-much pleasing-not.

~てくれたが contrasts the gift with the speaker's dissatisfaction. あまり気に入らない (don't like it much) uses あまり~ない for 'not very.'