I'm looking at picking up a pair while they are still on sale. Ive seen the demo's at Natchez and they are an even better deal but I see they are a different product number. Natchez has the #58110 and it seems everywhere else is #58310. I called Natchez and the guy I spoke wasn't sure what the difference was. I would like to verify with Swarovski directly but they are closed until Monday. Does anyone know what the difference is?