If you've noticed your watch is consistently gaining or losing time, it may be time for a regulation. The Mechanical Watch Tester No.1900 is an essential tool for watch repair technicians, designed to test mechanical watches with precision and ease. This sophisticated device offers a variety of testing features, making it a versatile addition to any workshop. Key testing items include daily difference, amplitude, and polarization. The daily difference measurement provides an error range of ±999 seconds per day, with an impressive accuracy of 1.0 seconds per day. The swing measurement displays results digitally, featuring a resolution of 1", allowing for precise readings within a measurement range of 100-360. Additionally, the polarization measurement, which gauges frequency error, displays values in milliseconds with a resolution of 0.1 milliseconds and a range of 0-9.9 milliseconds. The Mechanical Watch Tester No.1900 is powered by a single-phase AC 100V~240V ±10% and features a display size of 95*54mm. It measures in 1 to 6 directions and includes a line length of 196 points, offering flexibility in testing. The device supports multiple languages, including Chinese, English, and Japanese, ensuring usability for technicians around the globe. With a compact shell size of 185*130*95mm and a weight of just 1.7kg, this tester is both portable and convenient. Included in the package is 1 x Watch Calibrator, making it ready to use right out of the box. If you have any questions about our products or need assistance, please don't hesitate to reach out. We are committed to providing support within 24 hours! Elevate your watch repair services with the Mechanical Watch Tester No.1900 and ensure your clients' timepieces run accurately and efficiently.