Rolex Precision Service: The Rolex Precision line has long been admired for its understated elegance and exceptional craftsmanship. Among its most notable movements, the Calibre 1210 stands out as a robust manual-winding mechanism that symbolizes Rolex’s dedication to mechanical excellence. Introduced in the 1950s, this movement powered many of the brand’s most elegant dress watches, offering precision and reliability in a sleek, minimalist design.

We recently had the honor of servicing a vintage Rolex Precision with a Calibre 1210 movement, housed in a timeless gold case. This watch, a family heirloom, was brought to us by the grandson of its original owner. After decades of faithful service, the watch had stopped running, caused by a broken mainspring. Restoring this cherished timepiece to its former glory was both a privilege and a testament to the enduring quality of Rolex engineering.

Rolex Precision Service -  Movement dial and hands uncased on a watchmakers cushion

The Legacy of the Rolex Precision Calibre 1210

Introduced in the mid-20th century, the Rolex Calibre 1210 was designed as a manual-winding movement that emphasized both accuracy and simplicity. These movements were often found in Rolex’s Precision line, a collection that focused on elegant, slim cases and classic styling.

Known for its reliability and durability, the Calibre 1210 features a straightforward design that allows for precise timekeeping and ease of servicing. Watches powered by this calibre have remained highly sought after by collectors and enthusiasts, particularly when housed in precious metal cases like the gold example we recently serviced.

The Precision line, with its refined aesthetics and robust movements, is a reminder of Rolex’s ability to create timepieces that are both practical and beautiful.

Rolex Precision Service -  broken mainspring

Assessing the Watch – Rolex Precision Service

The Rolex Precision brought to us had been passed down through three generations, each of whom valued its historical and sentimental significance. The current owner reported that the watch had stopped running some time ago. Upon opening the case, we found that the mainspring had snapped, rendering the watch incapable of storing the energy needed for proper operation.

Fortunately, the Calibre 1210 itself showed no significant signs of wear or damage. The gears, pinions, and plates were in excellent condition, requiring only thorough cleaning and lubrication to restore optimal performance. The gold case, while showing some signs of its long life, retained its warm glow and structural integrity.

Rolex Precision Service -  new mainspring in the original barrel

The Service Process – Rolex Precision Service

Our Rolex Precision service began with the complete disassembly of the Calibre 1210. Every component was carefully examined to ensure there were no hidden issues that could compromise the watch’s performance. The broken mainspring was replaced with a new, high-quality replacement part, restoring the energy storage necessary for accurate timekeeping.

Old oils and debris were meticulously removed using a multi-stage cleaning process. Each part of the movement was inspected under magnification and reassembled with fresh lubricants applied to critical areas. This process not only ensures the smooth operation of the gear train but also extends the longevity of the watch.

The gold case was gently cleaned and polished to enhance its luster without removing its original character. Special attention was given to preserving the hallmarks and the delicate details that make vintage gold cases so special.

New gaskets were installed to improve water resistance and protect the movement from future environmental damage.

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Rolex Precision Service

Final Testing and Results – Rolex Precision Service

Once reassembled, the Calibre 1210 was calibrated to achieve optimal accuracy and reliability. The watch was subjected to multi-day testing, during which its timekeeping, power reserve, and overall functionality were closely monitored. The results were outstanding, with the movement performing to the high standards expected of Rolex.

With its heirloom status and sentimental value restored, this Rolex Precision is now ready to be enjoyed by its third generation of ownership. The combination of timeless design and mechanical excellence ensures it will continue to be a treasured part of the family’s legacy.

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Rolex Precision Service: Keeping History Alive

A Rolex Precision is more than just a timepiece—it’s a bridge to the past, a testament to Rolex’s enduring commitment to quality, and a symbol of personal and familial milestones. Whether your vintage Rolex requires minor maintenance or a complete overhaul, our Rolex Precision service ensures your watch remains a reliable and beautiful companion for generations to come.

Contact us today to discuss how we can restore your vintage Rolex. For more insights into our work and updates on our latest projects, follow us on Facebook.

Rolex Precision Service – WellingTime Watch Repairs


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