Steampunk pocket compass

This is my version of steampunk pocket watch (compass). 

Compass can be bought here:

https://www.aliexpress.com/item/1005006465789350.html?spm=a2g0o.productlist.main.75.6c26VW6PVW6PIJ&algo_pvid=55989e1a-ab0a-4b06-ab1f-a63c80f934e8&algo_exp_id=55989e1a-ab0a-4b06-ab1f-a63c80f934e8-37&pdp_ext_f=%7B%22order%22%3A%221%22%2C%22eval%22%3A%221%22%7D&pdp_npi=4%40dis%21HRK%2110.42%215.52%21%21%2110.48%215.55%21%40211b617b17399983642248738e71e7%2112000037297457276%21sea%21HR%210%21ABX&curPageLogUid=R5dEOLEM5g7w&utparam-url=scene%3Asearch%7Cquery_from%3A

Use support on ring

I am quite inexperienced modeler so there are a lot of things which can be improved