For your consideration is this very nice gold filled pocket watch case.
This appears to be for a size 4/0s lever set movement and measures about 33mm in diameter. The case has no crystal. The spring is nice and strong.
This weighs 14 grams in total.
The case back is marked ‘Dueber Special’. The front has a place for initials to be engraved.
There is wear on this consistent with the age. There is no pendant or stem.
Please see the photos for more detail.