If anyone was wondering: https://www.chrono24.com/audemarspiguet/ref-15056orooa067cr02.htm

Legally, consult a lawyer, etc.

Practically, you need to weigh how much your employer will care or know. There are (petty/shitty) companies that sue to exert control, but if your market is relatively small, it’s not worth it to the company. Just don’t talk about your side hustle at work.

So, what does this app do?