25657OR, Perpetual Calendar, Mother of Pearl Dial, Pink Gold 3310 made with a day and

made with a day and date corrected by pushers flanking the screw-down crown

The design stems from an oversized mainspring

Moser apply to their art

preserved in its full set

partly for its charismatic cerulean tone but also for the watch’s significance to Japan

25657OR, Perpetual Calendar, Mother of Pearl Dial, Pink Gold 3310 made with a day andA 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,