Thank you for your interest in the product. 【Product Details】 - Brand: SEIKO - Model: V147-0AD0 - Type: Solar - Color: Black - Details: Working - Material: Stainless steel - Accessories: Instruction manual, spare links I received this item, so I don't know how long it was used, but I think it's in good condition. However, since it is a used item, 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 check the images and make your judgment. Please consider this opportunity! Thank you for your consideration.