{"id":25518,"date":"2025-02-26T11:35:40","date_gmt":"2025-02-26T10:35:40","guid":{"rendered":"https:\/\/www.watchinsanity.it\/?p=25518"},"modified":"2025-02-26T11:36:11","modified_gmt":"2025-02-26T10:36:11","slug":"audemars-piguet-royal-oak-perpetual-calendar-openworked","status":"publish","type":"post","link":"https:\/\/www.watchinsanity.it\/en\/audemars-piguet-royal-oak-perpetual-calendar-openworked\/","title":{"rendered":"Audemars Piguet: Royal Oak Perpetual Calendar Openworked &#8220;150th Anniversary&#8221;"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">In 2025, Audemars Piguet celebrates its 150th anniversary, a long history during which the brand has distinguished itself with astronomical complications since 1875 with the first pocket watches of the two founders, Jules Louis Audemars and Edward Auguste Piguet. Today, to celebrate this important anniversary, the Manufacture presents the new\u00a0<strong>Royal Oak Perpetual Calendar Openworked \u201c150th Anniversary\u201d limited edition<\/strong>.\u00a0<strong>The last reference to house Calibre 5135<\/strong>, the movement that has powered Audemars Piguet\u2019s 41 mm openworked perpetual calendars for almost a decade.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Senza-titolo-1.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Senza-titolo-1-1024x682.jpg\" alt=\"Audemars Piguet Royal Oak Perpetual Calendar Openworked \" class=\"wp-image-25526\" srcset=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Senza-titolo-1-1024x682.jpg 1024w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Senza-titolo-1-300x200.jpg 300w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Senza-titolo-1-768x512.jpg 768w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Senza-titolo-1-1536x1024.jpg 1536w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Senza-titolo-1-600x400.jpg 600w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Senza-titolo-1.jpg 1772w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">To bring past and present in conversation, the design codes of this limited edition\u2019s are inspired by a historical openworked perpetual calendar pocket watch (ref. 25729) exhibited at the heart of the Mus\u00e9e Atelier Audemars Piguet.\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_05.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_05-1024x682.jpg\" alt=\"\" class=\"wp-image-25520\" srcset=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_05-1024x682.jpg 1024w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_05-300x200.jpg 300w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_05-768x512.jpg 768w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_05-1536x1024.jpg 1536w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_05-600x400.jpg 600w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_05.jpg 1772w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Fitted with a sapphire dial, the new Royal Oak Perpetual Calendar Openworked \u201c150th\u00a0Anniversary\u201d gives pride of place to the openworked movement ticking within. The inner bezel and subdial surrounds reinterpret the contrasted aesthetic of the original pocket watch by featuring a rich blue hue that has been slightly darkened to harmonise with the deep colour of the matching bathtub hands in white gold, filled with luminescent material for optimal readability. In the same vein, the hour-markers are executed in a silver-grey shade and in a refined round shape to mirror the ones made of brilliant-cut diamonds on the historical timepiece. The white typeface used for the perpetual calendar\u2019s numerical and alphabetical indications has also been revisited to lend the dial an elegant and vintage aesthetic.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\"><strong>TITANIUM AND BULK METALLIC GLASS<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">For this 41 mm limited edition, the lightness of titanium is combined with the resistance of Bulk Metallic Glass (BMG).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Discovered in the 1960s, BMG is now used in applications as diverse as micro-electronics and golf. Produced in hundreds of different variations, this alloy shares several characteristics with other glasses when cooled rapidly, an essential step that prevents crystals from forming and freezes the material in a glassy state lending it strong, amorphous properties. Constantly experimenting with techniques, shapes and materials,\u00a0<strong>Audemars Piguet has co-developed its own palladium-based BMG, composed of over 50% palladium, making it highly resistant to wear and corrosion<\/strong>\u00a0with a glossy lustre.\u00a0<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_08.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"682\" height=\"1024\" src=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_08-682x1024.jpg\" alt=\"Audemars Piguet Royal Oak Perpetual Calendar Openworked \" class=\"wp-image-25524\" srcset=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_08-682x1024.jpg 682w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_08-200x300.jpg 200w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_08-768x1152.jpg 768w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_08-1024x1536.jpg 1024w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_08-600x900.jpg 600w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_08.jpg 1181w\" sizes=\"auto, (max-width: 682px) 100vw, 682px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_09.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"682\" height=\"1024\" src=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_09-682x1024.jpg\" alt=\"Audemars Piguet Royal Oak Perpetual Calendar Openworked \" class=\"wp-image-25525\" srcset=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_09-682x1024.jpg 682w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_09-200x300.jpg 200w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_09-768x1152.jpg 768w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_09-1024x1536.jpg 1024w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_09-600x900.jpg 600w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_09.jpg 1181w\" sizes=\"auto, (max-width: 682px) 100vw, 682px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Used for the new limited edition\u2019s bezel, caseback frame and bracelet studs, the BMG has been mirror-polished to reveal its unwavering glow, elegantly complementing the titanium case and bracelet links for a captivating play of light. Known to be lightweight and resistant to shock, the titanium presents a satin-brushed finish with polished chamfers enhancing this timepiece\u2019s brilliance.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center\"><strong>THE MAJESTY OF THE MOON\u00a0<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">This openworked Perpetual Calendar reference\u2019s moon-phase indication at 6 o\u2019clock offers a different perspective on the passing of time. The phases of the lunar cycle are displayed on the dial by means of a disc\u00a0<strong>decorated with a photographic representation of the Moon as seen from Earth<\/strong>. Based on a NASA photograph, this realistic image has been transferred onto the moon phase disc using metallisation on sapphire, paying tribute to the beauty of the celestial body. As it engages with the movement\u2019s mechanism, the aperture on the dial presents the eight different phases of the 29.5-day lunar cycle, as seen from both sides of the equator.\u00a0<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_06.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"682\" height=\"1024\" src=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_06-682x1024.jpg\" alt=\"Audemars Piguet Royal Oak Perpetual Calendar Openworked \" class=\"wp-image-25521\" srcset=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_06-682x1024.jpg 682w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_06-200x300.jpg 200w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_06-768x1152.jpg 768w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_06-1024x1536.jpg 1024w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_06-600x900.jpg 600w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_06.jpg 1181w\" sizes=\"auto, (max-width: 682px) 100vw, 682px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_07.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"682\" height=\"1024\" src=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_07-682x1024.jpg\" alt=\"Audemars Piguet Royal Oak Perpetual Calendar Openworked \" class=\"wp-image-25522\" srcset=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_07-682x1024.jpg 682w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_07-200x300.jpg 200w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_07-768x1152.jpg 768w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_07-1024x1536.jpg 1024w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_07-600x900.jpg 600w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_07.jpg 1181w\" sizes=\"auto, (max-width: 682px) 100vw, 682px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">From our geocentric perspective, the Moon appears to change shape as it orbits the Earth. Although the lunar cycle is a global phenomenon, its eight phases appear in reverse whether the viewer is standing in the Northern or Southern hemisphere. This astronomical phenomenon is replicated in this limited edition\u2019s perpetual calendar function which features two Moons to accommodate both perspectives.\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_10.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_10-1024x682.jpg\" alt=\"Audemars Piguet Royal Oak Perpetual Calendar Openworked \" class=\"wp-image-25519\" srcset=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_10-1024x682.jpg 1024w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_10-300x200.jpg 300w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_10-768x512.jpg 768w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_10-1536x1024.jpg 1536w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_10-600x400.jpg 600w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_10.jpg 1772w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Selfwinding Calibre 5135, with\u00a0<strong>40 hours of power reserve<\/strong>, automatically takes into account the number of days in the month and correctly displays the prevailing date even in leap years. Assuming the watch is kept fully wound, the perpetual calendar will not require manual correction until 2100, at which point it will need to be adjusted to stay in line with the Gregorian calendar.\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_03.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_03-1024x682.jpg\" alt=\"Audemars Piguet Royal Oak Perpetual Calendar Openworked \" class=\"wp-image-25523\" srcset=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_03-1024x682.jpg 1024w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_03-300x200.jpg 300w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_03-768x512.jpg 768w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_03-1536x1024.jpg 1536w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_03-600x400.jpg 600w, https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_03.jpg 1772w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Finally, this limited edition of 150 pieces is embellished with two additional design codes, specially created to celebrate the 150th anniversary of the Manufacture.\u00a0<strong>On the dial side, the moon-phase indication at 6 o\u2019clock harmoniously integrates an \u201cAudemars Piguet\u201d signature inspired by historical documents. The caseback frame includes two additional engravings: the \u201c150\u201d logo created in honour of the celebration, and the mention \u201c1 of 150 pieces\u201d in reference to the number of iterations produced<\/strong>.\u00a0\u00a0(Price CHF 175,000)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On the occasion of the 150th anniversary of the Manufacture Le Brassus, Audemars Piguet unveils the new Royal Oak Perpetual Calendar Openworked \u201c150th Anniversary\u201d limited edition.<\/p>\n","protected":false},"author":679,"featured_media":25519,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,9],"tags":[75,560,559],"class_list":["post-25518","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-timepieces","tag-audemars-piguet","tag-perpetual-calendar","tag-royal-oak"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>AP: Royal Oak Perpetual Calendar Openworked &quot;150th Anniversary&quot; | WATCH INSANITY<\/title>\n<meta name=\"description\" content=\"To mark the 150th anniversary of the Manufacture, Audemars Piguet unveils the Royal Oak Perpetual Calendar Openworked \u201c150th Anniversary\u201d.\" \/>\n<meta name=\"robots\" content=\"index,follow\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.watchinsanity.it\/en\/audemars-piguet-royal-oak-perpetual-calendar-openworked\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:locale:alternate\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"AP: Royal Oak Perpetual Calendar Openworked &quot;150th Anniversary&quot; | WATCH INSANITY\" \/>\n<meta property=\"og:description\" content=\"To mark the 150th anniversary of the Manufacture, Audemars Piguet unveils the Royal Oak Perpetual Calendar Openworked \u201c150th Anniversary\u201d.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.watchinsanity.it\/en\/audemars-piguet-royal-oak-perpetual-calendar-openworked\/\" \/>\n<meta property=\"og:site_name\" content=\"WATCH INSANITY\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/WatchInsanity\/?ref=bookmarks\" \/>\n<meta property=\"article:published_time\" content=\"2025-02-26T10:35:40+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-02-26T10:36:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.watchinsanity.it\/wp-content\/uploads\/2025\/02\/Audemars_Piguet_Royal-Oak_Perpetual_Calendar_Openworked_150th_Anniversary_Watch_Insanity_10.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1772\" \/>\n\t<meta property=\"og:image:height\" content=\"1181\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Jacopo Giudici\" \/>\n<meta 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