Audemars Piguet Royal Oak Quantieme Annuel 25920ST Blue Dial lug-width-in-mm-22 The bezel remains in crisp

The bezel remains in crisp original condition

The even hours are painted Arabic numerals in radium and we believe that hands were refinished many years ago using tritium

The screw down case back features the Zenith star in sharp condition

A very English date with a day…

Audemars Piguet Royal Oak Quantieme Annuel 25920ST Blue Dial lug-width-in-mm-22 The bezel remains in crispThe only RO annual calendar Not only does the Royal Oak turn 50 year, there was also a RO themed sale this past week at Phillips that saw record prices achieved for this iconic watch. We are delighted to offer this stunning Royal Oak annual calendar, as we believe the only annual calendar to ever be offered by Audemars Piguet. The blue grande tapisserie dial is in superb condition with the date around the outer edge and an unusual month indicator sub