Measuring time to the nearest second has always been Breitling's core business; its Chronoworks® department is dedicated to bringing this timekeeping precision ever closer to perfection. Like engine-tuners focused on performance, the experts in the Chronoworks® lab have turned their attention to the Manufacture Breitling Calibre 01, and introduced five efficiency-enhancing innovations that have boosted power reserve from 70 to 100 hours. This technological prowess not only increases user-friendliness, it also improves precision. This optimised movement makes its debut inside the Superocean Heritage Chronoworks, with its imposing mat ceramic case, black dial and woven rubber strap for a stylish and sporty all-black look. COSC-certified, this 100-piece limited edition delivers the ultimate in timekeeping precision.