Reference 2 | Yellow Gold auction The sub-dials are slightly recessed

The sub-dials are slightly recessed

the Quantième Perpetuel by Audemars Piguet was the world’s thinnest automatic perpetual calendar

Pratt of course is one of the most accomplished watchmakers of the 20th century and was a long-time collaborator of the late Dr George Daniels

this piece is an aneroid barometer

providing a tasteful yet unobtrusive border

Reference 2 | Yellow Gold auction The sub-dials are slightly recessedThis Urban Jrgensen Reference 2* in yellow gold features German day and month wheels. Crafted in 1989, it came early in the years when the brand was resurrected by Peter Baumberger and Derek Pratt. It was the first of the production models to feature a perpetual calendar and observatoire hands, a detail that would continue as the brands signature. It is powered by the self winding Frdric Piguet calibre 71 topped with a perpetual calendar module. The