Use this watch waterproof tester to ensure your watches are airtight and safe for use under water.
This watch waterproof tester is indispensible for testing water resistance of watched. There is no danger of water getting inside the watch when carefully following the instructions. Dimensions of 245mm x 150mm x 290mm; Cylinder interior measures 62mm; has a capacity of 2 watches. Tests up to 3 atm (security up to 6 atm).