Royal Oak | Ref. 25654BA | Quantieme Perpetual | Yellow Gold paris and was used as a

and was used as a testing prototype during the final stages of the Micro-Rotor’s development

this ‘Ados’ triple-calendar travel clock sits neatly in its case while travelling

The caseback engravings remain deep and well defined

- Francois-Paul Journe

Royal Oak | Ref. 25654BA | Quantieme Perpetual | Yellow Gold paris and was used as aThis Quantime Perpetuel reference 25654* represents an effort by Audemars Piguet to combine one of their most innovative movements and disruptive designs from the 20th century. In combination, their ultra thin, automatic perpetual calendar and angular Royal Oak helped the manufacture weather the aftermath of the Quartz Crisis, making this combination as striking as it is historically important. In 1978, the Audemars Piguet Quantime Perptuel Royal Oak