The info below is from the Swarovski web page.
If you have a product that needs servicing please do the following:
Call 1-800-426-3089 and follow the prompt for the repair department. At the time of the call we will need the model, serial number and what the problem is you are experiencing.
Our business hours are Monday thru Friday 8-4:30 est.
At the time of the call we will issue a service order number and instruct you on how to return your product.
a) If the repair is a warranty case:
Swarovski Optik will carry out a warranty repair at no charge.
b) If the repair is not subject to the product warranty:
You will receive a cost estimate for the repair by phone call, mail or e-mail from Swarovski Optik North America.
No repairs will be performed until we have authorization.
If you have any questions about repairs or about your warranty please contact us at 1-800-426-3089 or firstname.lastname@example.org