各位帮我参谋下这款表好不好？香港会更便宜吗？

BrandZenithSeriesGrande Class Grande DateModel No.03.0520.4010/21.c580Retail$8,500.00You Save45 %Your Cost$5,780.00Special Price$4,675.00http://www.prestigetime.com/images/add_button.gif' />SizeMensCase MaterialStainless SteelDial ColorBlackBracelet / StrapLeather - BlackClasp TypeDeployant ClaspMovementAutomatic Chronograph ChronometerBezelFixedCrystalScratch Resistant SapphireCase BackTransparentWater Resistant30m/100ft.Case Diameter44mmCase Thickness14.5mmWarranty2 Year PrestigeTime.com Warranty
想买块Z，但没什么钱，大家帮忙看看这款是不是很划算？还有谁有过在国外网站上购买表的经历？分享下好吗？谢谢！

哦，比种应该是美金．