Google ADs performance max(UK only) selling Jewellery start up

As a start-up company, our goal is to maximize the performance of our Google Ads within the UK. We have a monthly budget of less than £500, however we plan to add more as the sales increase. We are primarily focused on driving sales and conversions. Our main focus when it comes to jewellery is mainly men's wrist watches but we do also have some women's options available. We're looking for a solution that can help us make the most of our budget and ensure that our ads are targeted towards the right audiences to reach our goals.