I know very little about 19th century key wind pocket watches. I took this watch in as partial trade for a very expensive firearm that I had in stock. â€‹For starters it's a key wind with no key so I have no idea if it works or not. Secondly,it needs a crystal. Having said all that I do however love the inscription.â€‹ It reads "â€‹John B.Armstrong XIT Ranch Texas. The dial face says â€‹American Watch Co. â€‹and the back says Waltham,Mass with P.L Bartlett â€‹in script. The watch front cover is stamped Warrented Coin Silver *L262 and the back cover just *L262. The chain appears to be original to the watch. A pretty neat piece of the â€‹Texas history.