About Keystone Chrono Works
Keystone ChronoWorks, led by seasoned watchsmith Michael McNair, is a specialist in the repair and restoration of Swiss timepieces, including Rolex and ETA-based movements. Born out of Michael’s lifelong passion for mechanics and precision, the company has grown into a trusted provider of comprehensive services, from meticulous disassembly, inspection, cleaning, and reassembly to restoration of aging bracelets and cases.
With a focus on continuous learning and access to technical service manuals from a multitude of manufacturers, Keystone ChronoWorks ensures up-to-date, expert service. Our commitment to quality and precision, paired with our dedication to the art and craft of watch repair and restoration, have solidified our reputation in the industry. Experience the Keystone Chrono Works difference today.

Fast, Easy, Convenient
What brands and types of watches do you specialize in?
At Keystone ChronoWorks, we specialize in the repair and restoration of Swiss timepieces, particularly Rolex watches and those with ETA-based movements. We have extensive experience and expertise with these watches, as well as the tooling to support their repair, ensuring top-quality service.
How do I send my watch to you for servicing or repair?
It’s a straightforward process. First, reach out to us through our contact form on the website or via email, describing the issues you’re experiencing with your watch. We’ll respond promptly with an initial assessment and guide you on how to safely ship your watch to us.
How long does the watch repair or servicing process usually take?
The time frame can vary depending on the complexity of the repair or service required. Once we’ve received and assessed your watch, we’ll provide a more accurate estimate. We always aim to return your timepiece as quickly as possible without compromising the quality of our work.
Reach out and discuss
Contact us to share your watch’s needs, and we’ll provide a personalized repair estimate.
Ship and inspect
Safely ship your timepiece to us; we’ll carefully inspect it and confirm the required repairs with you.
Repair and quality control
We will skillfully repair your watch and perform rigorous quality control checks.
Return and inspection
We’ll securely return your restored watch; upon arrival, appreciate its restored elegance and performance.
Michael McNair, the driving force behind Keystone Chrono Works, has been enamored with the intricacies of mechanics and engineering from a young age. His passion for understanding how things work was the foundation that spurred his interest in watchmaking. From automobiles to watches, Michael’s curiosity has always led him to delve into the mechanisms that make things tick. The technical sophistication and detailed artistry of watches, particularly Swiss timepieces, have been a primary focus of his career.
Michael’s journey into professional watchmaking began when he noticed the beautiful and high-quality timepieces worn by friends and fellow drivers at driving events and track days. Unable to afford these luxurious pieces, he began buying broken watches to repair and restore them. This endeavor quickly evolved into a service for others, and eventually, his full-service hobby became a full-time vocation. His skill in finding and restoring broken watches to their former glory was not just a testament to his technical skill but also his appreciation for these intricate devices. This is not just a profession; it is HIS PASSION.
As a dedicated member of the American Watchmakers-Clockmakers Institute (AWCI) and the National Association of Watch and Clock Collectors (NAWCC), Michael continually expands his knowledge and hones his skills. His commitment to learning ensures that he is always up to date with the latest technical advancements and service manuals from a wide array of manufacturers. This constant evolution is a testament to his dedication to his craft and his clientele.
At Keystone ChronoWorks, Michael brings his wealth of experience, passion for precision, and commitment to quality to every watch he works on. His meticulous attention to detail, coupled with his understanding of the value and significance of each timepiece, ensures that every watch serviced at Keystone ChronoWorks is given the utmost care and expertise. With Michael at the helm, clients can trust their prized possessions are in the hands of a seasoned professional who truly understands their intrinsic and sentimental value.
Hours
by Appointment