This is an 18k yellow gold, Art Deco Pocket Watch. The case is gold, and inside cover is brass. Although there are some signs of wear (scratches, small dents), the watch runs. Case is a bit out of shape just enough to sometimes not stay closed. Light Corrosion. Hallmarks on case are: FUB?, SG with key in between inside a diamond, R18, Eagle head assay, 51231. We believe the watch to be Art Deco era. It’s monogrammed on back. REB. With handsome striped engraving. Watch is 44mm and weighs 51.1 grams total (32.9dwt). The case is solid 18k except dust lid and movement of course. Fantastic antique watch! Don’t miss it, This is a preowned, estate item.This watch runs and is in good condition.