Samsung — Samsung Galaxy Watch Active 2 water resistant feature not working as expected

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Bangalore

Samsung Galaxy Watch Active 2 claims to be water resistant with durability certification of 5ATM + IP68 / MIL-STD-810G. But this very feature failed & the Samsung technician on 28th Nov, 2021 claims that the watch which I bought from Amazon on October 16th 2020 last year touch sensitivity stopped working due to water damage. The watch model name is SM-R820NZKIINU, serial no. RZAN800574K. I've not visited any water body / pool from the time I've purchased the watch because of 2 reasons - 1. I don't know swimming & 2. Because of Covid-19. How can a watch that was promoted as a water resistant watch get damaged because of the very reason, I'm finding it difficult to understand. I bought this watch for Rs. 23, 090.00/-, either Samsung needs to pay it in full + interest or replace with the watch. I've running from pillar to post without any resolution so far.