IWC Mark XX

Oliver Smith Jeweler Signature Pre-Owned Timepieces come with a two-year warranty covering internal mechanism defects.

Warranty service is performed by our manufacturer-authorized in-house master watchmaker or at a manufacturer-authorized service center.

The Oliver Smith Jeweler Signature Pre-Owned Timepiece Warranty does not cover external parts, shock damage, water damage, damage due to abuse, or other normal wear and tear.

Oliver Smith Jeweler is proud to offer free, expedited two-day shipping on all purchases. Most orders are processed within two business days of receipt. 

Visit our Shipping Information page to learn more.

Oliver Smith is dedicated to upholding the authenticity and integrity of the luxury watch industry. We do not engage in the buying or selling of replica watches or those containing counterfeit parts.

Our meticulous authentication process involves thorough evaluations by our in-house team of skilled watchmakers trained in Switzerland. This ensures that every pre-owned watch is genuine and maintains its value and provenance.

We back each pre-owned watch with a two-year Oliver Smith warranty.

Visit our Authenticity page to learn more.