Every single claim made by @rahilb is dubious.
The watch appears genuine. The case is signed on the back; the crown is signed; and the dial does not appear to have been refinished.
This was a Swedish market watch ("Stotsaker" on the case back means shockproof).
The seller does price high, including this one, but I see no evidence that it is misrepresented.
Regards,
Tony C.