I have the Ultra Watch 2 and the screen protector and case I use are both from the brand Spigen. It has been 2 months and so far no issues whatsoever.
Screen Protector - https://www.amazon.com/gp/product/B0BCXFZVH8/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Protective Case - https://www.amazon.com/gp/product/B0BBKGB11N/ref=ppx_od_dt_b_asin_title_s00?ie=UTF8&th=1
Just pick one.
I have the Ultra Watch 2 and the screen protector and case I use are both from the brand Spigen. It has been 2 months and so far no issues whatsoever.
Screen Protector - https://www.amazon.com/gp/product/B0BCXFZVH8/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
Protective Case - https://www.amazon.com/gp/product/B0BBKGB11N/ref=ppx_od_dt_b_asin_title_s00?ie=UTF8&th=1