I’ve purchase a Rolex from Ultra Jewels shop on April 2017, up to now 2018 never got tax refund back.
after many times calling the shop I cannot reach the sales person at all, and the email they provided me does not work. I’ve used up probably over $100 in international calling minutes just to contact the shop.
I am not sure about all other shops in Mexico that offer tax refund, but this shop does not honor their tax refund promise. Do not believe that because this is a luxury shop they will do what they promise. I can say I am never shopping in Mexico again.
You can buy from here but do no expect to see your tax refund.