This genuine Bergeon 5555 waterproof pressure tester is an essential tool for any watch enthusiast. Made in Switzerland, this high-quality watch tester is designed to accurately measure the water resistance of any watch. With its precise readings, you can be sure that your watch will remain protected from water damage. This watch tester is perfect for those who want to ensure that their watch is functioning properly without having to worry about its condition. With its durable design and accurate measurements, this Bergeon 5555 pressure tester is a must-have for any serious watch collector.