Quantième Perpétuel Skeleton | 25558/002BA | Yellow Gold redirect The watch is heavily inspired

The watch is heavily inspired by the London-made pieces from the 1960s

in the form of heat-blued hands and indications

with a sub-dial in the centre that measures the Fahrenheit temperature in 20-degree increments

The dial has evenly aged to a warm pale pink hue throughout including the engine turned central portion

According to Roger Dubuis

Quantième Perpétuel Skeleton | 25558/002BA | Yellow Gold redirect The watch is heavily inspiredThis is a thoroughly skeletonised and open work variation of the original Audemars Piguet Quantime Perptuel. The reference 25558 002BA*, with a 36mm yellow gold case, showcases the intricate inner workings of one of the most hallowed complications in watchmaking. It is powered by the self winding calibre 2120, which isnt just skeletonised but lavishly hand engraved. It is understood that only 154 examples of this reference were produced in yellow