I haven't used it even once since I bought it. I've lost the guarantee card! It's genuine. I will also have it professionally authenticated, so please rest assured. I wore it only once after purchasing it. It's a classic design, suitable for everyday use and going out. This product is eligible for **"Authenticity Verification"**. 【Important Notes】 ・Please purchase only if you understand that this is a used item and has been stored at home. ・To prevent product substitution, returns, refunds, and exchanges are not accepted. ・If you have any questions, please ask in the comments before purchasing.