Thank you for contacting Marc by Marc Jacobs!
Please accept our apologies as we are unable to authenticate our Marc by Marc Jacobs watches. However, we can tell you that Marc by Marc Jacobs products are manufactured in various countries throughout Asia. Additionally, Marc Jacobs products are sold through Marc Jacobs stores, Marc by Marc Jacobs stores, luxury retail stores, MarcJacobs.com, and luxury retail websites. To be sure of the authenticity, we recommend purchasing our products through one of these stores. Our products are not labeled to verify such information. We value your business and hope that this information has been helpful.
Please let us know if there is anything else we can do for you, and thank you again for contacting Marc by Marc Jacobs.