The product is a used Citizen 8110 Challenge Timer Part with a black dial. Made of stainless steel, this movement part is compatible with Citizen watches, specifically the 8110 Challenge Timer model. Originating from Japan, this high-quality part is designed to fit seamlessly into the specified Citizen watch models, providing a reliable and precise timekeeping function. Perfect for watch enthusiasts and professionals looking to maintain or repair their Citizen timepieces.