I can tell you to take a look at this site: https://mystampready.com/en/constructor/. Here you will learn how to make a stamp and can easily create your own stamp design in a special constructor. You can choose the shape, size and inscription for the future stamp and get its template, which can be easily downloaded.
My dear, Hysek watches are not good to invest in. You will not find a Hysek in any investment list. The best watches to invest in are all models of the Rolex, some of the Audemars Piguet, Patek Philippe. These 3 are the brands of which you will never lose. Every 10 years their value may come up by 10 to 20 thousand dollars even if Your watch is used. It is because like clockwork the company is increasing their retail prices every year for the old models. If their retail price is up, Your used Rolex will increase its value as well. How simple is that? Rolex is 1 ot the oldest watchmaker brands in the world, so it is not a miracle that the oldest models are the most expensive ones. Even here in Latvia, we have a legendary song in Latvian where a golden Rolex is mentioned. That’s why even the kids know this brand over here. Also not many shops in Riga will have Hysek watches. I can suggest Baltic Watches to buy an used one. I checked. They have 2 models of the Hysek - ‘’Abyss Power Reserve’’ and ‘’Abyss Chronograph’’ if You are still thinking of buying a watch from this brand. Otherwise they have great Rolexes starting from the simple, stainless steel ‘’Datejust’’ till the great and marvelous ‘’Cosmograph Daytona’’. The choice is Yours!