18k Gold Swiss 8 Rubis Geneva Key-wind Pendant Pocket Watch 1880s 38.9g 33mm

18k solid yellow gold pendant pocket watch featuring a mechanical cylinder movement manufactured in Geneva, Switzerland. The internal case back is stamped with an 18K purity mark, the Swiss Helvetia hallmark, the maker's mark "AE," and the case serial number 13026. The watch is a key-wind and key-set model with two square arbors for winding and setting via a separate key. The external gold surfaces feature engine-turned engraving at the center, surrounded by hand-engraved floral and foliate borders. A vacant circular cartouche is centered on the back cover. The dial is gold-gilt with hand-engraved floral and geometric patterns and features black Roman numeral hour markers. The hands are blued steel in a spade-style design. The internal mechanical movement is a Swiss cylinder escapement engraved "8 Rubis" and "Genève," featuring a frosted gilt finish and a regulator lever for timing adjustments. The case measures approximately 33mm in diameter, with a total length of 54mm including the crown and bow. The total item weight is approximately 38.9 grams.