What is the value of an elgin national watch co pocket watch with serial number 5375998?

The value of an Elgin National Watch Co. pocket watch with serial number 5375998 can vary significantly based on factors such as its condition, the specific model, and whether it has original parts or accessories. Generally, Elgin pocket watches can range from $100 to several thousand dollars. To get an accurate appraisal, it would be advisable to consult a watch expert or appraiser who specializes in vintage timepieces.