Avon vintage Silver and Black Watch with Crystals- one stone is missing

This is a silver-toned, full hunter, quartz pocket watch.It features a high-polished, mirrored casing. The watch is powered by a precision quartz movement. The design is often described as vintage or retro. It can be worn as a necklace using an accompanying chain The item shown is a small, silver-tone, locket-style quartz pocket watch pendant.It is designed to be worn as a necklace, as indicated by the loop at the top and the typical associated chains mentioned in search results. Features Style: It has a classic, vintage-inspired design with a smooth, polished metal case. The cover is a "hunter" or "full hunter" style, which means it completely covers the watch face. Movement:The dial clearly indicates a quartz movement, meaning it is battery-operated and does not require manual winding. Dial:The watch face is white with black Arabic numerals and hands, making it easy to read. Operation:The cover opens by pressing down on the crown (the knob at the top), and the time is set by pulling the crown up and turning it.battery is not included