SOLD Antique Pocket Watch Key No 3 Charm NecklaceAn antique pocket watch key with pearl and citrine charms on an italian heavily gold plated chain. A beautiful and unique necklace. The watch key has the number 3 on one side and a floral motif on the other. Pocket watches were first made in the 16th century and required a key to keep them running, both to set the time and wind the watch. Some types of watch keys were very ornate and others very simple metal keys. The more ornate ones were intended to