At Watches and Wonders show, tourbillons and calendars from major manufacturers expand the field of possibilities. Tourbillon seems to be the center of all attention this year if we take the show windows as a barometer.

At Jaeger-LeCoultre, the Duometre Heliotourbillon Perpetual includes no less than 63 different complications. Laurent Ferrier unveils two complications within its collections: an annual calendar and a moon phase indication (in aventurine glass made in Murano) Lovers of lunar indications will consider the Duomètre Chronograph Moon, whose dial rich in indications assumes great elegance imbued with modernity. The German manufacturer A. Lange & Söhne spares no expense in unveiling a Datograph Tour billon presented in a “Honeygold case,” with a translucent honey-colored gold specific to the Saxon brand, associated with “Lumen’s” high-end watches.