One Hertz 1912 | Stainless Steel title-color-Grained Tan Calfskin which has earned it the

which has earned it the nickname “Jumbo” Aquanaut

18-carat yellow gold Roger W

producing an especially striking effect and providing an excellent contrast against the vertically brushed grey dial

following the decimation caused by the Quartz Crisis

Between the lugs at six o'clock

One Hertz 1912 | Stainless Steel title-color-Grained Tan Calfskin which has earned it theThis steel Grnefeld One Hertz 1912* is one of the original 12 piece limited edition launched in 2010. It featured the innovative calibre G 02, realised with the help of famed complications specialist Renaud and Papi, at whose workshop brothers Bart and Tim Grnefeld spent many formative years before going independent. The calibres character is defined by its twin gear trains, one of which gives the watch its independent deadbeat seconds function. At