25657OR, Perpetual Calendar, Mother of Pearl Dial, Pink Gold 3310 The design stems from an

The design stems from an oversized mainspring

preserved in its full set

Moser apply to their art

This is an unconventional integrated sports watch imagined carte blanche by one of the most exacting independent watchmakers

25657OR, Perpetual Calendar, Mother of Pearl Dial, Pink Gold 3310 The design stems from anA ref. 25657OR Audemars Piguet Quantime Perptuel with a mother of pearl dial. There are only 362 examples of this reference to start, but it is estimated that no more than a handful were ever made with mother of pearl dials. This was, in its day, the worlds thinnest perpetual calendar at 3. 95mm, the watch that proved mechanical complication still had its place in the market against the growing shadow of quartz. Its historic significance stands alone,