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I bought 42mm PO watch about 5 months ago but lost he-valve crown after few weeks. Now I need new one. I have tried to explain the situation for dealer (puretime) but somehow they are not willing to understand my needs. After many discussions and complaint they still offer me new crown, not one with HE-stamp. Could someone sell me the right crown or tell me where to buy one? I don't need original part, which I assume is rather expensive...