Very similary pocketwatch: https://pocketwatchdatabase.com/profile/Bostonjoe/collection/view/103196. According to AI….this is a private label pocket watch customized for Elton Steven Sisk, a prominent local jeweler who operated in Wellsville, Missouri. Manufacturer: Waltham Watch Company. Private Label Seller: E.S. Sisk, Wellsville, MO. Movement Serial Number: #13611341. Production Year: 1904. Size: 18s (a large, classic pocket watch size standard for the era). Grade / Jewels: Grade No. 820 15 Jewels. Runs. Not sure if keeps time.