Vintage Omega Art Deco Octagonal Pendant/Pocket Watch with Champlevé Enamel

This is a highly distinctive Art Deco era pocket or pendant watch by the Swiss manufacturer Omega, likely dating to the 1920s or 1930s. The piece features a geometric octagonal case constructed from yellow gold or gold-plated metal. The bezel is intricately decorated with a light blue and white Champlevé enamel scroll pattern, bordered by a textured rope-style or gadrooned gold edge. The matching pentagonal-shaped bow at the top also incorporates black and blue enamel detailing, which is a hallmark of high-end Art Deco horology. The champagne-colored dial displays a 'Greek Key' or meander border in the center, framing the Omega nomenclature and logo. It utilizes bold, stylized black Arabic numerals and elegant cathedral-style or 'poire' hands. The overall craftsmanship reflects a period when timepieces were treated as jewelry. Regarding the condition, there is visible oxidation and darkening on the metal hands and around the perimeter of the dial, suggesting some moisture ingress over time. The crystal shows light surface scratches, and there is slight wear to the enamel near the crown/pendant area. The quality is indicative of Omega's luxury production during the early 20th century, combining precise mechanical engineering with decorative arts.