Lot Essay
To the underside of the watch is the control board made from titanium. Here is where the wearer can see the fine tuning segment, 43-hour power reserve indicator and two subsidiary dials for seconds and 15-minute revolution to set the time. The large crown is visible from both the front and the back of the watch and is likened by Urwerk to the booster of a rocket motor which represents the watches gigantic power source.