Newly upgraded and arrived! Richard Mille RM055 double mainspring movement, cry

Newly upgraded and arrived! Richard Mille RM055 double mainspring movement, crystal case, authentically replicating the original movement. Those who know their stuff can examine the movement themselves. Compared to other integrated movements on the market, this is the first to use a double mainspring movement. The new Richard Mille Aet X RM055 transparent crystal version, a limited edition crystal model with absolutely stunning sapphire crystal material. German craftsmanship, factory-made double mainspring movement, no need for movement modifications.