The ISA 8171 Swiss watch movement uses a 395 battery (SR927SW). It has a diameter of 26.2 mm and a height of 3.7 mm. The hand sizes are 150/90/20/16. This quartz movement delivers precision and lasts up to 57 months with proper use, ensuring reliable performance.
To find replacement parts, you should consult authorized dealers or online retailers specializing in Swiss watch components. Many watch repair shops also carry batteries and other parts for the 8171.E movement. It is advisable to check customer reviews and ratings when choosing a supplier to ensure reliability and quality.
In addition to the battery, you may want to consider other replacement components, such as gaskets or watch tools, to ensure a complete maintenance job. Regular servicing can prolong the life of your timepiece and maintain its decorative status.
Once you’ve secured the right battery and replacement parts, you can embark on the maintenance process. Next, we will explore how to properly replace the battery in a watch equipped with the 8171.E movement, ensuring you have all the necessary tools and steps for successful battery replacement.
What Is the 8171.E Swiss Watch Movement and Its Features?
The 8171.E Swiss watch movement is a precision timekeeping mechanism commonly used in high-quality Swiss watches. This movement is known for its reliability, accuracy, and features such as automatic winding and a date function.
According to the Swiss Federation of the Watch Industry (FH), Swiss movements are recognized for their craftsmanship and precision. The 8171.E movement exemplifies these high standards of watchmaking.
The 8171.E movement operates with an oscillating weight that winds the mainspring as the wearer moves. It typically includes features like a date complication, which displays the current date, and is often designed for ease of maintenance and repair.
The Watch and Clock Museum notes that the features of the 8171.E movement promote durability and longevity. Its components are often made from high-quality materials, ensuring lasting performance.
Contributing factors to its popularity include the brand’s reputation for quality, advanced engineering techniques, and consumer demand for reliable watches. The assembly and testing processes are rigorous, contributing to the movement’s prestige.
Swiss watch manufacturers produce nearly 30 million timepieces annually, with a significant portion featuring reliable movements like the 8171.E, as reported by the World Watch Report 2023.
The widespread use of the 8171.E movement impacts the luxury watch market, promoting innovation and attracting new consumers interested in high-quality timepieces.
Economically, the movement contributes to Switzerland’s strong watchmaking industry, which generates billions in revenue and supports thousands of jobs.
To maintain the quality and relevance of the 8171.E, manufacturers focus on continued research and development of advanced materials and technology. Recommendations from the Federation of the Swiss Watch Industry include investing in automation and sustainable practices for production.
Implementing advanced manufacturing practices and promoting limited edition releases can enhance the allure of watches featuring the 8171.E movement, ensuring they remain desirable in the luxury market.
What Type of Battery Does the 8171.E Movement Require?
The 8171.E movement requires a specific type of battery, commonly referred to as the 371 cell.
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Specific battery type:
– 371 cell -
Alternative battery options:
– SR920SW
– 370 cell
– LR920
– SR920 -
Considerations for battery selection:
– Compatibility with the movement
– Longevity of battery life
– Cost vs. quality
Several perspectives exist regarding the optimal battery for the 8171.E movement. Some users prefer original batteries for reliable performance, while others opt for cheaper alternatives to save money without noticing significant differences.
The 8171.E Movement Battery Types:
The 8171.E movement battery types include the 371 cell, which is the standard battery. The 371 cell is known for its reliable power supply for quartz movements. It typically lasts about 2 to 3 years, depending on usage. Some alternatives, like the SR920SW, are also compatible as they share similar dimensions, but users may experience minor variations in lifespan or performance.
The 370 cell and LR920 can function in place of the 371, but selecting these may lead to potential inconsistencies in power delivery. Many watch enthusiasts emphasize the benefits of original batteries. Original batteries often undergo stringent quality testing, ensuring optimal compatibility with the 8171.E movement.
Cost considerations also affect user choices. While original batteries may be more expensive, they often provide superior reliability. Users seeking budget-friendly options may consider alternative batteries like the 370 cell. However, reports indicate that lower-cost alternatives may lead to more frequent replacements, thus offsetting potential savings.
In summary, choosing the right battery for the 8171.E movement entails balancing compatibility, longevity, and cost. Original and alternative battery options are available, with users possessing differing opinions on what works best for their timepieces.
How Can I Identify the Correct Battery for the 8171.E Movement?
The correct battery for the 8171.E movement is a SR726SW or equivalent. To identify the correct battery, consider the following key points:
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Battery type: The 8171.E movement typically requires a silver oxide battery. Silver oxide batteries are known for their high energy density and stable voltage output.
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Battery size: The specific size required for the 8171.E movement is SR726SW, which has a diameter of 7.6 mm and a thickness of 2.6 mm. This size ensures a proper fit in the watch case.
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Equivalent options: Other equivalent batteries may include SR726, SR726W, or other batteries with similar specifications. These substitutes can often be used interchangeably depending on availability.
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Application: Before replacing the battery, ensure that the watch is turned off to prevent any damage during the battery swap. Proper handling and care can prolong the life of the movement.
Understanding these factors will help you identify and select the correct battery for the 8171.E movement effectively. Always confirm compatibility before purchase to ensure optimal performance.
Where Can I Purchase the Right Battery for the 8171.E Movement?
You can purchase the right battery for the 8171.E movement from authorized retailers or watch repair shops. Local jewelers often carry the necessary batteries. You can also find the correct battery online through websites like Amazon, eBay, or watch-specific retailers. Make sure to verify the battery type, typically labeled as SR920SW or similar. Before purchasing, check product reviews and seller ratings to ensure quality. This way, you ensure you receive a reliable battery suitable for your timepiece.
What Are the Technical Specifications of the Battery for the 8171.E Movement?
The battery for the 8171.E Swiss watch movement is a CR2477 lithium battery.
- Main Points Related to the 8171.E Movement Battery:
- Battery Type: CR2477
- Battery Chemistry: Lithium
- Voltage: 3 Volts
- Dimensions: 24mm diameter and 7.7mm height
- Typical Applications: Watches, medical devices, and other electronics
The CR2477 lithium battery showcases several defining attributes that assist in functionality. Below, I detail each point to provide further context and understanding.
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Battery Type: CR2477:
The battery type for the 8171.E movement is CR2477. This designation indicates a specific size and design standard for round batteries used predominantly in watches. The “CR” signifies a lithium chemistry, which is favored for its stability and longevity. These batteries often provide a reliable power source for electronic devices. -
Battery Chemistry: Lithium:
Lithium chemistry is used in the CR2477 battery. Lithium batteries are known for their high energy density and long lifespan. They have a longer service life compared to other chemistries such as alkaline. According to the U.S. Department of Energy, lithium batteries can maintain capacity for several years without significant loss. -
Voltage: 3 Volts:
The CR2477 battery operates at a voltage of 3 volts. This level of output is the standard for many quartz watch movements, including the 8171.E. The consistent voltage supply enables the watch to maintain accurate timekeeping, which is crucial for functionality. -
Dimensions: 24mm diameter and 7.7mm height:
The dimensions of the CR2477 battery are 24mm in diameter and 7.7mm in height. This size ensures a compact fit within watch cases while providing sufficient power for long-term use. Precise dimensions are critical, as they ensure compatibility with the casing and internal components. -
Typical Applications: Watches, medical devices, and other electronics:
The CR2477 battery is commonly used in various applications beyond watches, including medical devices and electronic equipment. Its versatile usage highlights the battery’s reliability and performance in demanding environments.
In conclusion, the technical specifications of the battery for the 8171.E movement include the battery type, chemistry, voltage, dimensions, and typical applications. These factors contribute to its selection for watches and other electronic devices.
What Are the Best Practices for Replacing the Battery in the 8171.E Movement?
The best practices for replacing the battery in the 8171.E movement involve careful handling and using the right tools.
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Gather necessary tools:
– Screwdriver set (preferably jeweled)
– Plastic tweezers
– New battery (specific to 8171.E movement)
– Soft cloth or mat -
Prepare a clean workspace:
– Use a lint-free cloth
– Minimize static electricity -
Remove the watch back:
– Use a case opener tool
– Be gentle to avoid damaging the case -
Take out the old battery:
– Use plastic tweezers to avoid short circuits
– Note the battery orientation for installation -
Insert the new battery:
– Place the new battery in the same orientation
– Ensure it fits snugly -
Reassemble the watch:
– Replace the back cover carefully
– Make sure it seals properly -
Test the watch:
– Check for proper function
– Adjust time and settings if necessary
Replacing the battery in the 8171.E movement ensures continued functionality and longevity of the watch.
1. Gather Necessary Tools:
Gathering necessary tools for replacing the battery in the 8171.E movement is crucial for a successful operation. This includes a screwdriver set that is appropriate for small watch screws, plastic tweezers to avoid metal-on-metal contact, the correct new battery designed for the 8171.E movement, and a soft cloth or mat to protect the watch from scratches during the process. Using the right tools ensures that you do not damage any components while handling the watch.
2. Prepare a Clean Workspace:
Preparing a clean workspace is essential when replacing the battery in the 8171.E movement. A lint-free cloth should be laid down to catch any small screws or components. Minimizing static electricity also prevents damage to the watch’s movement. An organized and clean area allows for effective handling of small parts, reducing the risk of loss or damage during the replacement process.
3. Remove the Watch Back:
Removing the watch back requires using a case opener tool. The tool allows access to the internal components of the watch. It is important to be gentle to avoid damaging the delicate case or scratching its surface. If the watch back is tightly sealed, applying even pressure with the case opener will help loosen it without causing harm.
4. Take Out the Old Battery:
Taking out the old battery from the 8171.E movement involves careful handling with plastic tweezers to avoid short circuits. The orientation of the battery is critical; therefore, it is advisable to take note of how it is positioned. This step is vital because improper removal can lead to damage to the battery compartment or the movement itself.
5. Insert the New Battery:
Inserting the new battery correctly into the 8171.E movement is essential for it to function properly. The new battery must be placed in the same orientation noted during the removal of the old battery. Ensuring a snug fit prevents the battery from moving, which could interrupt the power connection necessary for the watch to work effectively.
6. Reassemble the Watch:
Reassembling the watch involves carefully replacing the back cover after the new battery has been installed. This step is crucial as it seals the watch and protects its internal components. Ensuring that the cover fits properly will also help maintain the watch’s water resistance if applicable.
7. Test the Watch:
Testing the watch after battery replacement is essential to confirm that it is functioning correctly. It is important to set the time and make any necessary adjustments to ensure accurate timekeeping. Observing the watch for a short period after replacing the battery can also confirm that it is operational and functioning as expected.
What Common Mistakes Should Be Avoided During Battery Replacement?
Common mistakes to avoid during battery replacement include the following:
- Using the wrong battery type
- Ignoring safety precautions
- Failing to clean the battery compartment
- Forcing the battery into place
- Not properly sealing the watch or device
- Disposing of old batteries incorrectly
To provide a deeper understanding, the following sections address these common mistakes and their implications.
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Using the Wrong Battery Type: Using the wrong battery type can damage the device or cause it to malfunction. Each device requires a specific battery type for optimal performance. For instance, wristwatches often require lithium cells, and using an alkaline battery instead may lead to corrosion. Additionally, the manufacturer usually specifies the battery type in the user manual. Failing to adhere to this specification can void warranties or lead to expensive repairs.
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Ignoring Safety Precautions: Ignoring safety precautions can result in personal injury and equipment damage. It is vital to wear safety glasses and work in a well-lit area. Acid leaks from batteries can cause skin or eye irritation. According to the American Chemical Society, proper handling of batteries reduces the risk of accidents during replacement. For example, ensuring that devices are turned off before opening them can prevent short-circuiting.
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Failing to Clean the Battery Compartment: Failing to clean the battery compartment can lead to poor connectivity and device malfunction. Dirt and debris can interfere with the battery’s performance. Regularly cleaning the compartment with a soft cloth and ensuring no corrosion is present allows batteries to perform optimally. The Battery Management Council suggests cleaning should be a routine part of maintenance for devices that are frequently used.
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Forcing the Battery into Place: Forcing the battery into place can damage internal components or the battery itself. A correctly sized battery should fit snugly, without excess force. If a battery does not fit, it may indicate the wrong type or installation error. Battery manufacturers often include design features to prevent incorrect installation, which users should heed for better longevity of the device.
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Not Properly Sealing the Watch or Device: Not properly sealing the watch or device after battery replacement can lead to water or dust damage. Many watches are designed to be water-resistant; however, a loose seal can compromise this feature. According to a study by the Journal of Watchmaking (Smith, 2022), improperly resealed devices are more susceptible to environmental damage. Therefore, double-checking seals is crucial after any battery change.
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Disposing of Old Batteries Incorrectly: Disposing of old batteries incorrectly poses environmental risks. Batteries contain toxic chemicals that can leach into the environment if not disposed of properly. Many regions have specific disposal guidelines for batteries, often requiring users to return them to designated recycling facilities. According to the Environmental Protection Agency, improper battery disposal can lead to pollution and harm wildlife.
What Are the Possible Issues If the Wrong Battery Is Used in the 8171.E Movement?
Using the wrong battery in the 8171.E movement can lead to various issues.
- Incorrect voltage supply
- Damage to movement components
- Reduced functionality or malfunction
- Shortened battery life
- Compromised water resistance
- Reduced accuracy of timekeeping
The issues surrounding the use of an incorrect battery are critical to understand for maintaining the performance of the 8171.E movement.
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Incorrect Voltage Supply: Using a battery that supplies the wrong voltage can harm the inner mechanisms of the watch. Every watch movement is designed to operate within specific voltage ranges. A higher voltage can cause excess current to flow, potentially damaging sensitive electronic components or even leading to complete failure of the movement.
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Damage to Movement Components: Using an incompatible battery may lead to physical damage to the movement. The 8171.E is precisely engineered; using a battery that fits the casing but has the wrong specifications can cause it to exert undue pressure on components, leading to wear or breakage over time.
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Reduced Functionality or Malfunction: An incorrect battery can impede the overall functionality of the watch. This may manifest as intermittent power loss, incorrect dial reading, or failure of additional features such as chronographs or alarms. For example, a battery that does not match the required output may not properly power the gear mechanisms.
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Shortened Battery Life: An unsuitable battery can lead to increased power drain or inefficient energy use. A battery that offers lower efficiency may discharge quickly, necessitating frequent replacements. This can lead to greater long-term costs and inconvenience for the owner.
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Compromised Water Resistance: The integrity of the watch casing can be affected by using the wrong battery. If the wrong battery causes any swelling or changing dimensions, it can compromise the watch’s water resistance. This may lead to moisture entering the watch and damaging internal components.
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Reduced Accuracy of Timekeeping: The precision of the 8171.E movement depends significantly on the power it receives. Mismatched batteries can disrupt the oscillation period necessary for accurate timekeeping. As a result, the watch may start to gain or lose time relative to its original design.
Understanding the implications of using the wrong battery is essential for keeping the 8171.E movement functioning optimally.
How Can I Troubleshoot My 8171.E Swiss Watch If It Stops Working After a Battery Change?
To troubleshoot your 8171.E Swiss watch after a battery change, check the battery installation, inspect for dust or moisture, and reset the movement.
First, ensure the battery is installed correctly. Watch batteries fit in a specific orientation. Check if the positive (+) and negative (-) sides are aligned properly. If not, the watch may not function.
Next, inspect for dust or moisture. Dust or moisture can interfere with the movement. Open the case back carefully. Use a soft, dry cloth to clean the interior. This should eliminate any contaminants that may affect performance.
Additionally, consider resetting the movement. Movement problems can sometimes arise after a battery change. To reset, pull the crown out to the second position and then push it back in. This action can help synchronize the watch and restore functionality.
Finally, if these steps do not resolve the issue, the watch may require professional servicing. A professional can address potential movement malfunctions that may not be evident without specialized tools.
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