Actually its a bit more expensive in US due to sales tax, however its easier and faster for the queue. These two models are a bit hard to get in Hong Kong (I mean for myself as I dont have any good relationship with authorized retailer) and I have been waiting since early this year. 好似潛咗水咁). Some authorized retailers in HK told me they have only seen very few of these delivered by Rolex this year as they are new models. But if you go to reseller, you can find it with a premium on top but I think its quite risky. I am not saying its fake but I worry that it may have been worn or something...