The Senator Chronometer was introduced in 2009 and the present model, reference 1-58-01-05-34-XX , joined the line-up in 2016. In this configuration, the Senator Chronometer has a white gold case and a varnish blue-grainé dial with Roman numerals. Courtesy of its manual winding caliber 58-01, the dial shows hours, minutes, small seconds at six, the signature 'Panorama Date' at three, and a power reserve indicator at twelve.