What is the value of a 1910 waltham watch co. 8 days 15 jewels adjusted?

The value of a 1910 Waltham Watch Co. 8-day, 15 jewels, adjusted watch can vary widely based on its condition, rarity, and market demand. Generally, such watches can range from $100 to $500, with well-preserved or rare models fetching higher prices. To get a more accurate valuation, it's advisable to consult with a watch expert or appraiser.