The return of Audemars Piguet Royal Oak Perpetual Calendar in four new color schemes, also recovers the “RO QP – Royal Oak Quentième Perpetual” design, while slightly enlarging its diameter, upgrading the movement and enhancing legibility. Originally conceived in 1981, this Audemars Piguet model has always been one of the classier watches available, to feature a perpetual calendar, in a mechanical timepiece.
This 2015 edition of the Royal Oak has a 2mm wider case, which measures 41mm, excluding the crown. And is available in four different versions: two in stainless steel and two in rose gold; with two “Grande Tapisserie” guilloche dial options: navy blue or silver. The complications are spread out, with the months and leap year exhibited at the 12 o’clock position; date at the 3 o’clock position; day of the week at the 9 o’clock position; and the moon-phase featured at the 6 o’clock position.
A perpetual calendar watch is a complex micro-mechanical device engineered to automatically adjust to the varying number of days in each month and even accounts for leap years. Actually this new Audemars Piguet Royal Oak requires a correction every 125 years and 317 days for its moon-phase astronomical indicator, but still that’s quite impressive. This watch will almost definitely not need any adjustments for the original owner’s lifetime, unless we have a tremendous break-through in the medical field to stretch out our current life-span. Leaving this timepiece for a second generation to cherish and “adjust” to time. Another new feature is the 52-week indication being displayed by a central hand pointing out the scale in the flange ring.
Audemars Piguet Royal Oak Perpetual Calendar
The Audemars Piguet Royal Oak Perpetual Calendar is powered by a self-winding caliber 5134, with 38 jewels and up to 40 hours of power reserve. The movement operates with 374 moving parts and uses a mobile stud-holder, all these complications are balanced with variable inertia blocks. The oscillating weight is guided by a peripheral ring rolling on four ruby runners, which reduces friction and wear to a minimum. This updated movement is completely visible through the glare-proofed sapphire crystal caseback.
Audemars Piguet Royal Oak Perpetual Calendar, Ref#: 26574OR.00.1220
Stainless Steel version has a MSRP of: $60,900.00 USD
Pink Gold version has a MSRP of: $95,700.00 USD
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