The crystal is missing, but a plastic temporary cover was set upon the face to protect it. It does not work at this time. It is a key wind mechanism and I do not have the key. Photos of the paperwork are included in the description.
These are an important component of this listing - their historical information. I have several other pocket watches from my Grandfather that I will keep. The item "1790 Era Chain Driven Pocket Watch Papers" is in sale since Tuesday, July 19, 2016. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Pocket Watches\Antique".
The seller is "mawells4" and is located in Green Bay, Wisconsin. This item can be shipped to United States, to Canada, to United Kingdom, DK, RO, SK, BG, CZ, FI, HU, LV, LT, MT, EE, to Australia, GR, PT, CY, SI, to Japan, to China, SE, KR, ID, to Taiwan, TH, to Belgium, to France, to Hong Kong, to Ireland, to Netherlands, PL, to Spain, to Italy, to Germany, to Austria, RU, IL, to Mexico, to New Zealand, SG, NO, SA, UA, AE, QA, KW, BH, HR, MY, CL, CO, CR, PA, TT, GT, HN, JM, BB, BD, BM, BN, BO, EC, EG, GF, GG, GI, GP, IS, JE, JO, KH, KY, LI, LK, LU, MC, MO, MQ, MV, NI, OM, PE, PK, PY, RE.