Swiss made, very early model (late 1890s-early 1900s). No serial number on movement, but if case number is 1243929. Stem wind, stem set. Very early movement, with Omega. Logo engraved on. Watch is currently NOT RUNNING. Issue with mainspring, balance staff seems OK though as it moves freely. There was a wheel taped on an enveloppe, might be one of the issue. DIAL has also the. Logo, it is in good condition. This watch measures 47. Mm wide, 60mm tall & 14 mm thick, weighs 87 grams. Case is made of. 935 silver with all its Swiss hallmarks inside covers. It was found with this outer tin protective case shown (54mm x 18mm thick). The crystal is glass, it is New Old Stock. PLEASE CHECK MY PHOTOS CAREFULLY. We work very hard to describe our items at the best of our knowledge, ask any questions if you are not sure.