Both brands also a good watch.
TAG Heuer is owned by LVMH which is a huge company consists of many fashion brands such as Louis Vuitton, Dior BVLGARI, etc.
For ORIS, it’s just a private company without any backing of any fashion brand. In term of marketing, it can’t push their brand as what their competitors do.
ORIS watches are known to be solid, good craftsmanship & quality and all ORIS watches are Swiss Made and it’s protected by law and serves as a guarantee of quality.