This beautiful antique pocket watch from Gruen boasts a rare and valuable 21 jewel movement, making it a true treasure for collectors and enthusiasts alike. The watch features an ivory colored dial and a snap caseback in both yellow and white gold filled material. Its production date is estimated to be around 1870.   The Gruen Semi Thin model is known for its sleek and classic design making it a timeless piece that will add a touch of history and elegance to any collection. The crystal is missing as is the minute hand and the watch does not run.