I am a watch enthusiast and maker that likes to share my thoughts and projects. As for credentials, I have a doctorate in computing, not horology. Member NAWCC. Watch on YouTube!
Based on your request details, I will communicate what is possible and estimated cost. If the project moves forward, I would order a case and movement (at cost to you, unless I already have the parts) and then create a 3D model followed by the print(s).