The Hamilton Watch Company Antique Pocket Watch, 18s, 21 Jewels, #512089 is a vintage timepiece produced between 1900-1909. It features Arabic numerals on a white dial with a 12-hour display, housed in a yellow gold polished case with a screwback closure. The pocket watch is a mechanical manual movement with lever escapement type and railroad grade style, making it a unique and stylish accessory for men interested in classic timepieces.