Optimize your timepiece performance with the NO.1900 Watch Calibrator, designed for both enthusiasts and professionals. This advanced watch testing tool features a compact design with a case size of 185mm x 95mm x 130mm, making it ideal for any workshop or home setup. Equipped with essential testing capabilities, the NO.1900 measures daily differences, pendulum amplitude, beat rates, and rise angles, providing a comprehensive analysis of your watches. With an impressive accuracy of 0.1s/d for daily difference measurements and a pendulum amplitude range of 100° to 360°, this device ensures your timepieces are running at peak performance. The included microphone, crafted from durable zinc alloy and aluminum, enhances the calibration process, providing clear audio feedback during testing. Weighing just 568g, it offers portability without compromising on functionality. A reliable power adapter is also included, featuring a 1.5m cable and suitable for various voltage inputs (100-240V), ensuring you can use it anywhere. This powerful adapter delivers 12W output, making it efficient for continuous use. Whether you're a watchmaker, collector, or simply a hobbyist, the NO.1900 Professional Timekeeper is an essential tool to maintain the precision and longevity of your timepieces. Experience the difference in accuracy and reliability with the NO.1900, designed to meet your watch calibration needs effectively. Enhance your watch maintenance routine today!