Reverso Tourbillon

Second complicated Reverso: an understated guillochéGuillochéDecorative patterns engraved into a surface with an engine-turning machine. Similar-looking patterns do not by themselves establish how a dial was made. front with a small “TourbillonTourbillonA rotating cage carrying the escapement and balance, devised to average positional rate errors caused by gravity in upright pocket watches.” plaque above the small seconds; the reverse shows the tourbillonTourbillonA rotating cage carrying the escapement and balance, devised to average positional rate errors caused by gravity in upright pocket watches. bridge and a power reserve.