WELCOME Antique wrist watch. It is marked 1/20 12k GF sterling base. There is a patent number 2,097.055. The length is approx 6? and the rectangular face is 1.? The watch has age appropriate cosmetic wear but no dings or major flaws. As seen under a magnifying glass, there are what appear to be some light scratches on the inside upper corner. Nothing that jumps out at you. The watch is not currently running. Please see all photos and message for more information. Please ask any questions before buying. Some photos are enlarged to show details. As always, from a smoke free home. Thanks for looking! Do not hesitate to email for additional information or pictures. Please ask any questions before you purchase. Check out my other items! Be sure to add me to your favorites list! Thank you for viewing our store. Stop in again. We have a huge collection of vintage antique jewelry and collectibles. Ohio residents pay applicable sales tax.