One week after I bought it and wearing it (with caution regarding its use), it started to turn black and water started to enter its interior (I am referring only to hand washing), resulting in oxidation of the materials enclosed by the glass. Poor to terrible communication with the company for replacement!!! It's a shame because the design is very beautiful and I bought two pieces. (The same thing happened with the other one) I would never buy it again under any circumstances. A bracelet from a jewelry store and within a few days it comes in the condition I describe... Tragic!!!