Breitling replica or original? – The False in Watches

“Hello everyone I’m new here and I wanted to ask your opinion about this a breitling for bentley special edition. I found this watch in the basement and I assume was my grandfather, but I fear that it is a replica Breitling watch. you know what I mean?”

I can not read well on the back the word “Switz ….“, you can ‘have a photo more’ focus, or the transcript please?