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How Much Gold Does a Watch Lose When Polished?

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In the realm of watch maintenance, the task of polishing can come with a hefty price tag, especially when it involves a gold watch. However, just how much metal does a gold watch lose when it undergoes the polishing process? In this captivating video by CRM Jewelers, a $40,000 gold Rolex watch is put to the test to determine the extent of gold loss during polishing. Accompanied by the expertise of renowned watchmaker Chrono Sky, the video not only reveals the amount of gold the watch loses but also provides insightful findings that can help save money on gold watch maintenance in the future. So, get ready to be amazed and make your guess on the amount of gold lost during polishing!

To ensure minimal loss of gold, the process begins by meticulously separating the non-gold parts and the sections that don’t require polishing. With scratches on the case and caseback, and a bracelet in dire need of attention, every step is taken to preserve the watch’s integrity. Weighing in at 6.775 ounces of 18-karat gold, the watch embarks on its polishing journey. After the polishing is complete, the watch undergoes ultrasonic cleaning and steaming, transforming it into a gleaming masterpiece. Finally, the moment of truth arrives, revealing a loss of approximately 0.4% of its gold weight, resulting in a financial loss of $37.63. These findings underscore the importance of proper watch care and seeking the expertise of highly skilled professionals for polishing, ensuring your gold watch remains as valuable as ever. So, watch the video, learn the lessons, and prepare to be enthralled by these fascinating insights into the world of gold watch maintenance.

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The Experiment


In this experiment, we will explore the process of polishing gold jewelry and examine the effects on weight and value. The objective is to evaluate the potential loss of gold during the polishing process and calculate its corresponding value. By weighing the parts before and after polishing, we can measure the effectiveness of different polishing techniques and draw valuable conclusions that will contribute to refining the gold polishing process.

Tools and materials

To conduct this experiment, you will need the following tools and materials:

  1. Gold jewelry pieces – These can include rings, necklaces, bracelets, or any other gold accessories you have available for testing.
  2. Weighing scale – Ensure you have an accurate weighing scale capable of measuring small weights in grams or milligrams.
  3. Polishing equipment – Depending on your preferences and resources, you may utilize a variety of polishing tools, such as rotary machines, brushes, cloths, or a Dremel tool.
  4. Polishing compounds – You will need different compounds specifically designed for polishing gold, which can remove scratches and restore the jewelry’s luster.
  5. Ultrasonic cleaner – An ultrasonic cleaner is an essential tool to remove dirt and residues from the jewelry before and after the polishing process.
  6. Steam cleaner – A steam cleaner is used to thoroughly clean the jewelry, removing any polishing compound residue and leaving the gold pieces in their sparkling condition.

Make sure to handle all tools and materials with care, following safety procedures and taking necessary precautions.

Weighing the parts

Before starting the polishing process, it is crucial to accurately measure the weight of each gold jewelry piece. Begin by placing the jewelry on a clean and stable surface, taring the weighing scale to zero. Carefully place the item on the scale and record the weight. Repeat this step for each piece of jewelry, ensuring that the measurements are precise.

By weighing the parts before polishing, we establish a baseline for comparison and gain insight into the potential gold loss during the polishing process. This initial weighing enables us to calculate the difference in weight after polishing and quantify the amount of gold lost, if any.

The Polishing Process

Starting the polishing process

Now that we have weighed the gold jewelry pieces, we can proceed with the polishing process. First, ensure that the jewelry is free from any contaminants, such as dirt, oils, or residues. Cleanse the jewelry using an ultrasonic cleaner, taking care to follow the manufacturer’s guidelines for optimal results. This step removes any surface impurities, allowing for a more effective polishing process.

Once the jewelry is clean, we can begin the actual polishing. Depending on the tools and equipment available, there are various techniques for achieving a polished finish. The choice of method depends on personal preference, resources, and the specific requirements of the jewelry being polished.

Common methods include using rotary machines with different types of brushes or abrasive compounds, hand polishing with cloths and compounds, or utilizing a Dremel tool with specialized polishing attachments. It is important to carefully follow the instructions provided with the chosen method and exercise caution to avoid any damage to the jewelry.

Ultrasonic cleaning and steam

After the polishing process is complete, it is essential to clean the jewelry once again to remove any residual polishing compounds. An ultrasonic cleaner can be used for this purpose, as it utilizes high-frequency sound waves to agitate the solution and effectively remove any residues. Place the jewelry in the ultrasonic cleaner, taking care to follow safety guidelines, and let the machine do its job.

Once the jewelry has undergone the ultrasonic cleaning process, it is advisable to further cleanse it using a steam cleaner. The steam cleaner ensures that no remaining residues are left on the jewelry, leaving it in its optimal condition. Carefully direct the steam nozzle towards the jewelry, maintaining an appropriate distance to prevent any damage caused by excess heat or pressure.

Comparison of parts before and after polishing

Having completed the polishing process and the subsequent cleaning steps, we can now compare the parts before and after the polishing. Retrieve the same weighing scale used initially and measure the weight of each jewelry piece once again. Record these measurements accurately for further analysis.

How Much Gold Does a Watch Lose When Polished?

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The Results

Final weight after polishing

By comparing the weights of the jewelry pieces before and after polishing, we can determine if any gold loss occurred. Calculate the difference in weight for each item and record the final weight after the polishing process. These measurements will be crucial in determining the effectiveness of the polishing method used.

Calculating the value of gold lost

To calculate the value of gold lost during the polishing process, we need to consider the current market value of gold. Take note of the market price per ounce or gram of gold and multiply it by the weight lost. This calculation will provide an estimation of the monetary value of the gold lost during the polishing process.

Comparison to initial weight

Analyzing the difference between the initial weight and the final weight of the jewelry pieces allows us to evaluate the efficiency of the chosen polishing method. It also provides insights into potential areas for improvement in order to minimize gold loss during future polishing processes.

Lessons learned

Through conducting this experiment, several valuable lessons can be learned. Firstly, the choice of polishing method significantly impacts the final weight and quality of the jewelry. It is essential to select the most appropriate method based on the specific characteristics and requirements of the gold pieces.

Furthermore, the importance of thorough cleaning before and after the polishing process cannot be underestimated. Ultrasonic cleaning and steam cleaning remove any residues that could have a negative impact on the resulting weight and quality of the jewelry.

Lastly, it is crucial to handle the jewelry and all tools and materials involved in the polishing process with care to avoid any damage or loss of precious metal content.


In conclusion, the process of polishing gold jewelry can have an impact on the weight and value of the pieces. Through careful weighing and analysis, we can determine the effectiveness of different polishing techniques and minimize potential gold loss. Thorough cleaning before and after the polishing process ensures optimal results and maintains the jewelry’s quality.

By following the outlined steps and considering the lessons learned from our experiment, individuals involved in the gold polishing process can enhance their techniques, improve efficiency, and maximize the value of their gold jewelry.

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