MB&F caliber LM Thunderdome
LM Thunderdome description
Movement developed for MB&F by Eric Coudray and Kari Voutilainen.
Regulating mechanism featuring 3 fast rotation axes revolving at different speeds and on different planes. The rotation speeds of the axes starting from the centre are respectively 8 seconds, 12 seconds and 20 seconds. The combined weight of the multi-axis mechanism is nearly 1g.
Manual winding with three mainspring barrels.
Bespoke hemispherical 10mm balance wheel with traditional regulating screws and helical hairspring, visible on top of the movement.
Superlative hand finishing throughout respecting 19th-century style; bevelled internal angles highlighting hand craft; polished bevels; Geneva waves; hand-made engravings.
Power reserve: 45 hours
Balance frequency: 3 Hz / 21,600bph
Number of components: 413
Number of jewels: 63