Audemars Piguet 26579CE.OO.1225CE.01 Royal Oak Perpetual Calendar Black Ceramic 41MM UNWORN (31300)

31300 Audemars Piguet 26579CE Royal Oak Perpetual Calendar, 26579CE.OO.1225CE.01, black ceramic royal oak case on a black ceramic bracelet, automatic Audemars Piguet caliber 5134 movement, 40 hour power reserve, perpetual calendar with day date and moonphase display, week indicator, leap year indicator, dark grat waffle dial, applied luminous indexes, luminous hands, display back, sapphire crystal, water resistant to 20 meters, diameter 41mm, thickness 9.5mm, Unworn with original box and papers (2019).

$126,500

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More about Audemars Piguet 26579CE.OO.1225CE.01 Royal Oak Perpetual Calendar Black Ceramic 41MM UNWORN

This is a stainless steel Audemars Piguet Royal Oak Perpetual Calendar 26574ST.OO.1220ST.02. It has an integral stainless steel link bracelet with a double deployment clasp, and a scratch resistant sapphire crystal. There is an octagonal screw down winding crown, with correctors for the calendar at 7, 8, and 10 o'clock in the left-side case band. It has an exhibition sapphire display case back secured with 8 rose gold slotted screws, and it's engraved around the perimeter with "ROYAL OAK-QUANTIEME PERPETUAL," and a serial number. The 41mm diameter solid three-body case, hooded lugs, and flat octagonal bezel with 8 hexagonal face screws octagonal bezel with 8 hexagonal recessed pink gold nuts screwed to eight screws on the transparent case back, are polished/brushed. The dial is blue with a "Grand Tapisserie" waffle pattern, applied faceted white gold baton hour markers with luminous inserts, white gold baton hands with luminous inserts. There is an outer black minute/second track, and around the perimeter on a plain serve is a 52-week scale with alternating black Arabic numerals and dots, indicated by a center hand with an arrow tip. The recessed moon phase indicator at 6 o'clock is a color-lasered microstructure, laid on an aventurine disk; it only requires correction every 125 years and 317 days. There are three additional recessed silver subsidiary dials, including a day register at 9 o'clock (in English), a radial date dial at 3 o'clock, and there is an English month indicator at 12 o'clock with a 4-year leap hand. It has a 40-hour power reserve at full wind, and it's water resistant to 20 meters. The 9.5mm thick case, dial, and movement are all signed.

This Audemars Piguet Royal Oak Perpetual Calendar 26574ST.OO.1220ST.02 has a mechanical automatic self-winding Audemars Piguet caliber 5134 movement. It's rhodium plated with hand engraving, and it's constructed with 38 jewels, 374 components, a shock absorber device, and a straight-line liver escapement. It includes a mobile stud holder, a monometallic Gyromax balance with variable inertia blocks, a suspended barrel, a self-compensating flat balance spring, and an engraved open-worked 21k rose gold rotor. The oscillating weight is guided by a peripheral ring rolling on four ruby runners, reducing friction and wear to a minimum. The oscillating weight can be custom engraved at the customer’s request.

Introduced in 2015, this revised latest model AP Perpetual Calendar debuted in 2017.