The only wind-up pocket watches I'm finding are antiques on eBay. As of Thursday 30 June 2022, here's an item described as an AFB gold electroplated watch selling for $260:
$1 Here's a listing for another AFB watch for $245, although this one looks to be stainless steel. (I'm sighted, by the way, so I'm looking at the seller's images.)
$1 Even if an eBay listing describes a watch as running, I'd suggest being prepared to take the watch to a good watch repair shop that deals with antique watches and high-end automatics and wind-ups.
And here's an r/Blind post from 2019 also asking for a windup pocket watch:
$1Good luck!