The 1908 Elgin Father Time 18S 21 Jewels Railroad Display Case Pocket Watch is a rare and highly collectible timepiece with a mechanical manual movement. Featuring an open face display back with screwback closure, this pocket watch boasts 21 ruby sapphire and diamond jewels, Arabic numerals on the dial, and a high-grade lever escapement. Manufactured in 1908 in the United States, this Elgin pocket watch comes in a silver colored case and is a must-have for any watch enthusiast or collector.