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150 Heritage
Ultra-complication Universal Calendar

Ref. 75150PT.OO.01

Standup image of the watch Ultra-complication Universal Calendar

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Bridging centuries of astronomical observation, technical mastery and craftsmanship, the 150 Heritage combines all the Manufacture's savoir-faire in an ultra-complicated pocket watch powered by Calibre 1150 and complemented by the Universal Calendar – a groundbreaking lunisolar mechanism housed within its caseback.

The 150 Heritage: a creation that bridges centuries of astronomical observation, technical mastery and craftsmanship. Combining the new ultra-complicated Calibre 1150 with a Universal Calendar, this limited edition elevates the art of Haute Horlogerie through meticulous hand-engraving, grand feu enamelling and a platinum chain.

Completing this distinctive timepiece, the hand-made platinum chain pays homage to the traditional art of chain-making. Limited to two platinum editions and eight white gold variations, each creation reflects uncompromising craftsmanship and timeless beauty. An additional eight variations in 18-carat white gold will see the light of day in the near future.

Lifestyle shoot of a 150 Heritage watch.

Lifestyle shoot of the 150 Heritage watch.

The Ultra-Complicated Calibre 1150

At the heart of this creation beats Calibre 1150, a new hand-wound movement counting 1,099 components, which brings together 40 functions (among which 22 are complications)*, including a minute repeater, perpetual calendar, split-seconds chronograph and flying tourbillon.

*These numbers may vary depending on sources and interpretation. Under the Federation of the Swiss Watch Industry (FH) standard, the total may reach 60.

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The Universal Calendar

Housed inside the caseback, this groundbreaking mechanism unites solar, lunar and lunisolar cycles, offering a panoramic view of the recurring astronomical phenomena that shape time.

A masterpiece of Métiers d’Art

This exceptional timepiece celebrates the ancestral savoir-faire that has defined Haute Horlogerie for generations. Its platinum case is entirely hand-engraved, transforming the surface into a canvas of commemorative motifs and a 150-year anniversary emblems.

The dial reveals exceptional savoir-faire with its translucent blue grand feu enamel, hand-engraved with decorative star trails that evoke the beauty of celestial rhythms. Also engraved manually, the white gold Roman numerals and pink gold hands offer a touch of contrast for optimal legibility.