To ensure the authenticity of a Filippo Loreti timepiece, it must be purchased directly from our website: https://shop.filippoloreti.com/. Purchasing Filippo Loreti from e-commerce platforms such as eBay, AliExpress or an unauthorized third party vendor on Amazon, you risk receiving a timepiece that is counterfeited, used or defective. Please note that warranty does not cover Filippo Loreti timepieces without an original order ID and which are purchased on mentioned platforms.