All of the above are replica's
I know it is extremely difficult when it comes to buying a watch especially with the amount of high quality counterfeits out there. Here's link to help spot a fake watch but i recommend taking the watch to a specialist or retailer of the watch prior to purchase.
https://vintagewatchco.wordpress.com/2012/07/27/how-to-really-spot-a-fake-vintage-watch/
I know it is extremely difficult when it comes to buying a watch especially with the amount of high quality counterfeits out there. Here's link to help spot a fake watch but i recommend taking the watch to a specialist or retailer of the watch prior to purchase.
https://vintagewatchco.wordpress.com/2012/07/27/how-to-really-spot-a-fake-vintage-watch/