Big Bang Unico King Diamonds

Renowned for expertise in luxury watch retail, Watches of Switzerland embodies the highest standards of craftsmanship and service. With a history dating back to the 1700s, the company offers a curated selection of premier timepieces and commits to excellence in customer experience grounded in a legacy of trust and industry proficiency.

Free Expedited Delivery on Orders $300 and Up (Estimated 1-3 Days)

Our secure shipping service operates Monday through Saturday, from 8:00 a.m. to 6:00 p.m. For security reasons, an adult signature is required for for orders over $300 USD. Watches of Switzerland does not deliver to P.O. boxes or third-party forwarding services. For more information about delivery, click here. Tracking information will be made available upon shipping.

*Additional shipping fees may apply to domestic orders shipped outside the continental United States.

$15 Flat Fee on Orders Under $300 (Estimated 1 - 2 weeks)

Monday through Friday, from 8:00 a.m. to 6:00 p.m. For more information about delivery, click here. Tracking information will be made available upon shipping.

If you have any questions or concerns regarding your order, please contact the Watches of Switzerland Client Services. 

Our commitment to you does not end at delivery. We offer the following return services to make your experience as pleasant as possible.

10-Day Returns For Timepieces:

Timepieces purchased online can be returned or exchanged within 10 days from when they are shipped or collected.

30-Day Returns For All Other Purchases:

All other online purchases can be returned or exchanged within 30 days from when they are shipped or collected.

On presentation of the original receipt, your purchases may be returned or exchanged at any of our store locations. Alternatively, you may elect shipping to our facility with all the original paperwork. All refunds must be credited to the same tender used for the original purchase. To return the online purchases through secure shipping service, please contact our client service team who will provide you the shipping label, free of cost*.

All returns or exchanges must be in new, unworn condition, with no scratches or markings, not sized or adjusted and in their original packaging and with warranty cards / certificated and instruction booklets.

*For order under $300 and all international returns:

Return Shipping: Clients are responsible for shipping items back to our U.S. facility, including all associated costs such as duties, taxes, and carrier fees.

Refunds/exchanges only in the country of purchase.

Please refer to our Return Policy for details on eligible items, return timeframes, and conditions.