Bulova Precisionist X Marc Anthony Collection 48MM Diamond Dial Watch. 98D183 In a bold collaboration with Marc Anthony, one of music's most influential artists of all time, Bulova presents the new Marc Anthony Series X men's diamond dial watch, fusing Bulova's legendary fine watchmaking with Marc Anthony's artistic vision and our shared love of music in an exclusive timepiece that represents his taste for luxury and personal style. Adorning the case back is a unique glass insert with the quote, "For those who know." The Precisionist Collection masterfully combines unparalleled accuracy to seconds per year continuous-sweep and intricate details for time- less style. Powered by Bulova's proprietary three-prong quartz crystal Precisionist movement with a 262kHz vibration frequency--eight times greater than standard quartz watches--for unparalleled accuracy.