Cal. RM 001-4 PVD coated German silver movement 30 jewels some in screwed gold châtons lateral lever escapement the skeletonized dial with Arabic numerals and outer five minute divisions with luminous details printed to the crystal titanium tourbillon cage with 3 equidistant polished arms monometallic balance with ceramic cap jewel sector for the torque indication to 1 oclock up and down indicator neutral and hand-setting position to 4 oclock in large tonneau-shaped curved case the bezel secured by eight titanium screws the glazed display back secured by four titanium screws titanium Richard Mille buckle case dial and movement signed