Diabolo Tourbillon 2050

Self-windingAutomaticA mechanical movement wound by a rotor as the watch moves on the wrist. Diabolo with visible one-minute tourbillonTourbillonA rotating cage carrying the escapement and balance, devised to average positional rate errors caused by gravity in upright pocket watches. at 6 and power-reserve scale to 64 hours: transparent caseback with eight screws, sapphire-set crown and lug screws, silver guillochéGuillochéDecorative patterns engraved into a surface with an engine-turning machine. Similar-looking patterns do not by themselves establish how a dial was made. dial with secret signature on the 10 and blued Breguet hands.