SRPE37 PROSPEX COLLECTION From the Prospex CollectionAutomatic DiverManual and automatic winding capabilities21,600 vibrations per hourPower reserve: approximately 41 hours23 jewelsBlack ceramic one-way rotating elapsed timing bezelWhite dial with 3-D pressed pattern reflecting the bezel edge shapeMagnified date calendarLumiBrite hands and markersSapphire crystal with anti-reflective coating...