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17 May

Do Rolex Watches Have The Best Accuracy?

In a world where every second counts, our selection of timepieces demands nothing less than precision. Rolex is a brand that has consistently set high standards for reliability and performance. The watches from this giant Swiss watchmaker not only embody elegance and style but also boast impressive accuracy, making them desirable worldwide. However, many enthusiastic buyers are keen to know just how accurate Rolex watches are. Or is it true that Rolexes have the best accuracy? 

In this blog, we explore Rolex’s commitment to timekeeping precision, shedding light on the factors that contribute to the accuracy of the timepieces and how one can maintain the accuracy long-term. 

Rolex’s Pursuit of Precision 

Rolex is a brand that emphasises improving the accuracy of its watches. Whether it’s the design or the movement inside, Rolex implements rigorous testing and quality control measures to ensure that every aspect of its watchmaking process is incredibly precise. 

One key factor contributing to a Rolex watch’s precision is the brand’s in-house developed and produced movements, done privately within the company’s premises. Rolex adheres to strict quality measures to ensure flawless performance of all its timepieces. By leveraging the collaborative efforts of its cutting-edge facilities in Switzerland and skilled artisans, Rolex produces movements renowned for their reliability and exceptional accuracy.

The brand’s commitment to precision has led to numerous innovations in watchmaking. For example, Rolex pioneered the paramagnetic Parachrom hairspring, offering enhanced resistance to shocks and temperature fluctuations. Additionally, the company has formulated its own lubricants to reduce friction and guarantee the optimal functioning of internal movements.

Rolex’s Accuracy Standards

The real-world performance of a Rolex is self-explanatory of the brand’s dedication to precision. The Swiss Maison has always gone above and beyond in establishing itself as the leading Swiss watch brand in the world by setting a high benchmark for consistently meeting accuracy standards. 

Rolex adheres to the Superlative Chronometer Certification, a benchmark that exceeds the COSC certification. For a Rolex to be Superlative Chronometer certified, it must demonstrate an average daily precision of -2/+2 seconds, an even more rigid scale than the -4/+6 seconds range designated by COSC. This testifies how accurate Rolex watches are. 

That’s not all. In addition to the COSC Certification, all Rolex watches are subjected to strict in-house internal tests that prepare them for real-world atrocities. The tests ensure that every Rolex that leaves the production unit performs excellently not only in a laboratory environment but also during real-life challenges. 

Rolex’s Strict Testing Procedures

To ensure the precision of its watches, Rolex meticulously tests each timepiece through a series of rigorous examinations and quality control measures. Every movement undergoes a thorough inspection, including accuracy tests in six different positions and at three different temperatures. This meticulous process ensures that only the watches that meet Rolex’s stringent accuracy standard are deemed worthy of bearing the iconic Crown logo, instilling confidence in the precision of every Rolex watch. 

This level of commitment has earned Rolex its famed reputation and makes the watches so coveted among enthusiasts and collectors alike. Therefore, the next time you encounter the question ‘How accurate are Rolexes?’, remember that the brand’s dedication to ensuring accuracy in all its creations is unmatched. 

What Factors Impact Rolex’s Accuracy?

Rolex goes to great lengths to ensure the accuracy of its timepieces. However, many external factors can affect and influence the precision of the watches. Understanding these factors will help you maintain the accuracy of your Rolex watch over time. 

  • Type of Movement

The type of movement used inside a Rolex is a key factor influencing its accuracy. Rolex uses two kinds of movement: Quartz and Mechanical. While the brand predominantly uses Mechanical movements, powered by a complex system of springs, gears, and other components to keep time, mechanical movements are more susceptible to external factors than Quartz movements, which rely on a battery and electronic oscillator to regulate time. 

  • Environmental Factors

Several environmental factors, such as magnetism, temperature, and shock, can impact your Rolex’s accuracy. Exposure to strong magnetic fields can disrupt a watch’s normal functioning, leading to misbalancing of the movement and inaccuracies. Similarly, extreme temperatures can cause the metal components to contract or expand, affecting the watch’s overall performance and precision. Additionally, any form of shock, such as subjecting it to any hardcore physical activity or dropping it, can also cause the Rolex movement to lose accuracy. 

  • Maintenance & Servicing

As with any mechanical device, regular maintenance and servicing plays a key role in ensuring the accuracy of a Rolex. Over time, the components inside a watch undergo wear and tear. For instance, the lubricants can degrade, and various movement parts can get damaged or misaligned. To prevent this from happening, you must service the Rolex at regular intervals to ensure the timepiece continues to perform at its best. 

Ways To Improve The Accuracy Of Rolex Watches

A prevalent misconception about Rolex is that it will keep running accurately without any maintenance. As said above, there are quite many factors that affect how your Rolex keeps time, and to prevent them from happening, here are 4 steps that can help:

1. Wear your Rolex daily or wind it regularly

Rolex’s perpetual movement relies on the momentum of the wearer’s wrist. Therefore, when the watch is not worn for a long time, the lubricants inside the perpetual movement dry up and can cause damage to the movement. So, if you thought keeping your Rolex safe inside the box would keep it as it is, that’s not the case. However, if you do not prefer to wear your timepiece daily, winding it once a week or rocking it gently every 48 hours will keep the mainspring wound. 

2. Make slight adjustments when the watch is at rest

The COSC certified movements of a Rolex watch ensure the variations remain consistent. This means that the watch either stays consistently slow or consistently fast. Moreover, the position of the watch also impacts its rate. Knowing this, you can use a simple regulation method while the timepiece is at rest.

  • To speed up or gain a few seconds – keep the watch laid flat on its bracelet
  • To slow down or lose a few seconds – keep the watch laid on its side

3. Store the Rolex properly

If a Rolex speeds up or gains minutes/seconds per day, chances are that it has been exposed to magnetic fields or may have been dropped. The fine and intricate components inside a Rolex, like the balance spring and metals, are prone to magnets, speeding up the watch’s speed. Fortunately, new Rolex watches come equipped with a Parachrom magnetic Hairspring, making them resistant to magnets. For others, you must keep your Rolex in a safe place, preferably inside a box when you aren’t wearing it. 

4. Service your Rolex after every 5 to 7 years

If your Rolex is running slow or showing any other signs of damage, it may be time for a service. And, whether you think it or not, a Rolex watch needs servicing. There are professional Rolex watch repair and servicing centres where certified technicians will disassemble your timepiece, clean the movement, regulate and lubricate it, and reassemble it. Professional servicing of your Rolex plays a crucial role in ensuring the longevity of your timepiece.


So, this is exactly how accurate Rolex pieces are. Rolex’s relentless pursuit of precision, rigorous testing protocols and commitment to excellence position their timepieces among the finest in the world. 

Collectors have many reasons for buying a Rolex, but one of its greatest reasons is its top-notch movement. Whether you’re drawn to their timeless elegance, impeccable craftsmanship, or renowned durability, investing in a Rolex is always valuable. After all, it is not just a watch – but the closest thing to timekeeping perfection we may ever know.

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