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NICE CHOOSE Watch Waterproof Tester, 6 ATM Professional 2 Watches Water Resistant Tester Tool (US Shipping)
How To Use Try your best to pull up watch holder. Loosen screws to open the lid. Put in enough water to the red line on cylinder. It is preferable to use distilled water in order to avoid limy deposit. Hang the test watches on watch holders/hook. Assemble the lid and screws back. Swing pressure lever to raise pressure to 3atm (requirement according to the official standard of world leading watch industries), wait 3 minutes after reaching expected pressure, thus enabling enough air to get into test watches. Push down watch holder beneath water, eject the air. Observe carefully. Watch is of poor leakproofness if bubbles escape from the case

Price is $105.00
Price: $104.99