Maintaining the pristine function and condition of a mechanical watch requires thorough, regular cleaning. This article will guide you through essential steps and professional tips to effectively clean your mechanical watch movement.
To begin with, understanding the intricacies of a mechanical watch is crucial. It’s an intricate machine specifically crafted to keep precise time. The movement of a mechanical watch comprises several components, including the mainspring, gear train, balance wheel, escapement mechanism, and other delicately interwoven parts. These require meticulous care to ensure the watch operates seamlessly.
Let’s now dive into practical tips on cleaning your mechanical watch movement.
1. Preliminary Considerations:
Before you embark on cleaning your watch’s movement, bear in mind that this task requires considerable delicacy and finesse. It is not advisable to dismantle a valuable or vintage watch if you’re not experienced in watch servicing. In such cases, it’s better to entrust the task to a professional watchmaker.
2. Disassembling the Watch:
To clean your mechanical watch, you’ll first need to disassemble it. Start by removing the watch’s caseback using a case back removal tool. Keep a gentle hand to avoid any damage. Once the case back is off, remove the watch movement by carefully disengaging it from the case. Do remember to put on finger cots or gloves to avoid directly touching the components, as the oils from your skin can damage the watch parts.
The next step involves the disassembling of the movement. It’s recommended you use a set of quality screwdrivers for removing the screws. Take pictures at each stage to keep a reference of the original setting for reassembly. Make sure to organize your parts in a parts tray or on a movement pad to prevent them from getting lost or damaged.
3. Cleaning the Movement Parts:
For cleaning the parts, you’ll need a watch cleaning machine or an ultrasonic cleaner filled with a suitable watch-cleaning solution. Submerge the watch parts, ensuring they’re evenly distributed and not stacked on top of each other.
After soaking the parts for a few minutes, gently agitate the solution. This step helps in removing stubborn dirt or oil residues. Post cleaning, each part needs to be rinsed in a different solution known as ‘watch rinse’ to get rid of the cleaning solution.
4. Drying the Watch Parts:
Once clean, transfer the watch parts to a lint-free cloth. You should dry them using heated air from a blower or hairdryer set at the lowest temperature. For smaller parts, use pegwood or pointed tweezers to handle them.
5. Inspection and Reassembling:
After drying, inspect the watch parts under magnification. Look for any signs of wear or damage. Replace cracked jewels, misshaped springs or worn-out gears.
During reassembly, add oil to the moving parts. Lubrication is crucial for proper functioning and longevity of the watch. Start with the mainspring and barrel, followed by the gear train, and finally the balance wheel and escapement. Continue with reassembling the dial and hands, ensuring correct alignment. Once the movement is reassembled, it goes back into the watch case.
6. Timing Calibration:
After the watch is fully reassembled, you’ll need to calibrate the timing. Use a timegrapher to measure the watch’s accuracy. Adjust the regulator arm to speed up or slow down the beat rate until the watch is keeping accurate time.
These steps offer a structured approach to cleaning your mechanical watch movement and are designed to ensure your beloved timepiece enjoys a long, accurate life.
However, the process described above requires patience, precision, and a significant investment in tools. If you’re reluctant to make this investment or concerned about damaging your watch, consider a professional watch service. Choose a well-reviewed, experienced professional, considering their certifications, experience, and customer feedback.
With regular cleaning and maintenance, your mechanical watch will continue to function optimally, providing accurate timekeeping for years to come.