Thank you for your interest in the product. 【Product Details】 Citizen Quartz wristwatch, vintage model. Model Code: 7923-799364 Y Case Material: Base Metal PDPG (PDPG usually indicates gold plating) Country of Manufacture: Japan Serial Number: 2021111 I received this item, so I don't know how long it was used, but I think it's in good condition. However, it is a used item, so please refrain from purchasing if you are concerned about the condition of the item. I am not an expert, so I don't know the details. Please consider it as a junk item with no returns, no refunds, and no exchanges (3N). How about this opportunity! Thank you for your consideration.