Tuesday, January 24, 2017

AUDEMARS PIGUET – Royal Oak Perpetual Calendar Black Ceramic



















AUDEMARS PIGUETRoyal Oak Perpetual Calendar Black Ceramic

SIHH 2017
Royal Oak Perpetual Calendar
Black Ceramic - 2017

The Perpetual Calendar is strongly embedded into the core of Audemars Piguet’s origins. It is also the reminder that all of time measurement derives from astronomy and naturally occurring cycles. In 1955, Audemars Piguet introduced a world first – a perpetual calendar wristwatch with the essential leap year indication, made in only 9 examples, all in 18 carat yellow gold.

Since then Audemars Piguet has launched many more perpetual calendar wristwatches, among which the latest 2016 Royal Oak Perpetual Calendar, combining yellow gold, the iconic Gérald Genta design and the ultra-classic complication in all of watchmaking.

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Today, Audemars Piguet enriches its line of Royal Oak Perpetual Calendars with a full black version, made of hand-finished black ceramic. Day, date, month, astronomical moon, week of the year displayed on the dial’s outer chapter ring and the essential leap year indication hold pride of place on the “Grande Tapisserie” decorated dial. Housed in an assertively sized 41 mm case, the selfwinding watch’s larger calibre 5134 is fully visible through the glareproofed sapphire crystal caseback.

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Challenging to master but virtually unscratchable, black ceramic withstands high temperatures and thermal shocks, and is consequently extremely resistant to ageing. Numerous operations demanding extreme patience and skill are required to achieve a uniform, compact and ultra-hard material that can then be machined and hand-finished.

Click, to see the large size. BIG FOTO








































Audemars Piguet’s specialists required more than 600 hours of research to develop this new wristwatch: whereas it takes six hours to machine, polish, hand-finish, assemble and control a stainless steel Royal Oak bracelet, it takes thirty hours to accomplish these exact same procedures for the black ceramic bracelet…5 times longer!

The dial, with “Grande Tapisserie” pattern, is slate grey with black counters and displays a photo realistic astronomical moon that contrasts with all of the black components of the piece.

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TECHNICAL SPECIFICATIONS

Model: Royal Oak Perpetual Calendar Black Ceramic 41 mm

Reference: 26579CE.OO.1225CE.01 - Black dial

Movement
Self winding Manufacture Calibre 5134
Total diameter: 29mm (12’’’ 3/4lignes)
Total thickness: 4.31mm
Number of jewels : 38  
Number of parts: 374
Minimal guaranteed power reserve:40h
Frequency of balance wheel (Hz): 2.75 (=19,800 vibrations /h)
Case
Black ceramic case
Glare-proofed sapphire crystal and caseback
Water-resistant to 20 m
Dial
Slate grey dial with “Grande Tapisserie” pattern.
Case 41 mm
Black counters,  white gold applied hour-markers and Royal Oak hands with luminescent coating, black inner bezel
Functions
Perpetual calendar with week indication, day, date,
astronomical moon, month, leap year, hours and minutes
Bracelet
Black ceramic bracelet with titanium AP folding clasp

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Audemars Piguet (Marketing) SA
Route de France 16 - Case postale 16
1348 Le Brassus - Switzerland
Phone : + 41 21 642 39 00
Fax : + 41 21 642 34 02
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