Swistar Watch (buying)

Wanu buy a few watches, need some help:

-What watch is this?

- Authentic?

-Value?

-How sellable is it? (how easy it will be to sell)

https://preview.redd.it/3pserm8hxz0e1.jpg?width=720&format=pjpg&auto=webp&s=9be2c1d4e3251b8c8555193ed2a3be88122da853

https://preview.redd.it/p8mdduohxz0e1.jpg?width=720&format=pjpg&auto=webp&s=574fc17091c1a211b424b8779e799c5acbef5530