Watch Service Concierge: Curated Watch Service Providers, By Brand

A curated directory of watch service providers, organized by brand. Every listing is researched before it's published, so you can find someone who knows your Rolex, your Patek or your Omega.

Post-Impressionist painting of a bearded watchmaker with a loupe servicing a watch movement at a sunlit window bench

Cornerstone Service Center

Name: Cornerstone Service Center
Telephone: (847) 791-2376

Gurnee, IL independent watchmaker Wesley Grau (CMW21, CMEW, MBHI), servicing 20th century watches by mail, with consultations by appointment.

Multi-Brand / Generalist Vintage (pre-1980)

independent

AWCI CMW21 CMEW; MBHI

Gurnee, IL 60031 (847) 791-2376 cornerstoneservice@outlook.com

Cornerstone Service Center is the independent practice of Wesley Grau in Gurnee, Illinois. Wesley holds the AWCI's Certified Master Watchmaker (CMW21) and Certified Master Electronic Watchmaker (CMEW) credentials and is a Member of the British Horological Institute (MBHI). He first earned the Certified Master Watchmaker title in 1983 and trained with Patek Philippe in Switzerland.

Brands serviced: Brands that support independent watchmakers with parts, with a specialty in the 20th century watches he serviced throughout his career. Mechanical, electronic and quartz.

What we do: Watch and clock service and restoration at Wesley's own bench, plus horological training and consulting.

How we collect your watch: Mail-in. Please call or email before sending anything, and Wesley will confirm the work and give you the shipping address. In-person consultations are available by appointment.

in-house — all work on site

nationwide (mail-in)