Besides watches (Retrograde and Retrotwin), Paul Gerber additionally makes . His site advises us :
“The flying moment Tourbillon is housed in an appealing valuable stone packaging, which improves the magnificence and style of the straightforward Tourbillon component. ”
This must be something for the person who has everything. 🙂 Unfortunately there is no cost referenced, a couple of lines of presentation and the specs of this clock.