The real creme-de-la-creme top-in-top brands are only five and this is internationally recognized: -Patek Philippe -A. Lange & Söhne -Vacheron Constantin -Audumars Piguet -Breguet
The so-called independent watch-makers are not listed because: -they produce too few watches -very few watch models -very limited availability -no long history -nobody can forecast their future -limited secondary market
Sometimes, it would be a little bit hard to choose between IWC and JLC.
I guess you can own both. IWC is the most famous German style watch brand in Switzerland while JLC has typical Le Sentier/Swiss style. JLC is called little Patek Philippe