Caliber RM052, manual-winding tourbillon. Dimensions = 32.8 x 30.9 mm, 10.9 mm thick. 19 jewels. Glucydur balance wheel with four setting screws. Frequency = 21,600 vph (3 Hz). Elinvar by Nivarox balance spring. Kif Elastor KE shock protection. Finishing includes hand-polished beveling, micro-blasted milled sections, and drawn or polished outer faces. Power reserve = 48 hours.