THE QUINTESSENCE OF CUTTING-EDGE WATCHMAKING TECHNOLOGY. Like the pioneering role played by the CSS Hunley in its day, the Engineer Hydrocarbon Hunley incorporates the new version of one of the most significant watchmaking innovations in recent years. Developed and patented exclusively by the engineers at BALL Watch, the Amortiser® system protects the automatic Swiss Made BALL RR1702 caliber against damage that may result from external impacts.Special order request may take up to 3 weeks delivery.