An antique early 20th-century pocket watch by Elgin. Gold-filled open-face case with etched ornaments, cobalt blue guilloche dial with sub-dial and Arabic numerals. Marked Elgin Natl. Watch Co. USA, 15 Jewels, 12268910 on the clock mechanism, Warranted 20 Years, 6005454 on the inner side of the cover. The lot also includes a sterling silver double hunter case cobalt blue guilloche and floral niello decor. Crowned 84 mark, 170390 mark is on the inside of the case. Collectible Clocks And Watches, Accessories.