Watches & Wonders 2026 New Release: Jaeger-LeCoultre Announces the "Master Hybris Mechanica Ultra Slim Minute Repeater Tourbillon"
📋 Article Processing Timeline
- 📰 Published: April 14, 2026 at 16:08
- 🔍 Collected: April 14, 2026 at 07:31
- 🤖 AI Analyzed: April 14, 2026 at 07:37 (5 min after Collected)
Overview:
• Beyond Skeletonization: Artistic openwork and sapphire bridges showcase the beauty of the caliber's 537 components.
• Ultra-Thin Caliber: A high-complication automatic caliber, 4.7mm thick, with a case height of 8.25mm and a diameter of 41.4mm.
• Complex Case Structure: A new case consisting of 60 parts. This is the first design specifically engineered for Caliber 362, masterfully adapting the iconic Master Grande Tradition codes.
• The World’s Thinnest Automatic Minute Repeater Tourbillon: A fully integrated movement design where the minute repeater forms an essential element of the structure.
Jaeger-LeCoultre reinterprets the Grande Maison’s renowned ultra-thin caliber to present the Master Hybris Mechanica Ultra Thin Minute Repeater Tourbillon, merging a minute repeater with a flying tourbillon. Housed in an 18K pink gold case measuring just 8.25mm thick, the watch features a construction that allows the entire mechanism to be viewed. The movement is revealed through the transparency of sapphire, while a minimalist dial forms an openwork ring surrounding the movement. Utilizing seven patented technologies—six of which were developed specifically for the launch of Caliber 362 in 2014—this timepiece unites some of the most remarkable feats in watchmaking, including a one-minute flying tourbillon and a beautifully resonant minute repeater.
A Great Legacy: Chiming Timepieces, Ultra-Thin Calibers, and Chronometric Precision
At the time of its 2014 debut, Caliber 362 embodied groundbreaking invention and innovative aesthetics, carrying forward Jaeger-LeCoultre’s exceptional heritage in two key areas: chiming mechanisms and precision chronometry. To this day, it remains the thinnest automatic minute repeater tourbillon in the world.
Jaeger-LeCoultre’s expertise in ultra-thin movements dates back to the collaboration between Jacques-David LeCoultre and Edmond Jaeger. This partnership led to the creation of Caliber 145 in 1907, which boasted a record-breaking thickness of just 1.38mm.
Since developing its first tourbillon movement in 1946 and launching its first tourbillon wristwatch in 1993, Jaeger-LeCoultre’s pursuit of increased chronometric precision has led to numerous inventions in tourbillon cage construction and hairspring geometry, optimized for various regulating organs.
Since presenting its first minute repeater in 1870, Jaeger-LeCoultre has created over 200 repeater calibers. The time and effort the Manufacture has invested in the study of striking complications—sound quality, tone, volume, and rhythm—have resulted in numerous patents, several of which are incorporated into Caliber 362.
Each complex mechanism is not layered separately; Caliber 362 was conceived from the start as a fully integrated movement. The minute repeater is not an addition to the base caliber but forms an essential part of the structure itself. This integration is the foundation for achieving the movement's exceptional thinness.
The striking mechanism was completely redesigned to minimize vertical space. Its optimized structure occupies approximately one-third of the total caliber volume, demonstrating how meticulously each component was calculated to reduce thickness without compromising acoustic performance. By rethinking the arrangement of the racks, hammers, and gongs within the mainplate, Jaeger-LeCoultre engineers eliminated the additional layers traditionally required for repeater mechanisms.
Equally contributing to this slim profile is the flying tourbillon, which consists of 59 parts and weighs just 0.248 grams. By omitting the upper bridge, the one-minute flying tourbillon reduces the height of the structure while enhancing visual lightness. Removing the upper support not only increases the beautiful transparency of the movement but also eliminates excess material and optimizes vertical space.
The rotor also plays a decisive role. Instead of a traditional center rotor, Caliber 362 features a peripheral rotor arranged around the movement. This ingenious solution eliminates the added thickness of a stacked winding rotor, achieving efficient automatic winding while maintaining an ultra-thin profile.
The integration of the minute repeater, the flying tourbillon structure, and the peripheral winding system are not merely additions; they were conceived as elements that contribute to the structural reduction of thickness.
Lightness, Transparency, and Striking Contrast
This Hybris Mechanica, powered by Caliber 362, was designed to showcase the entire movement. Its assembly alone requires seven weeks, revealing the delicacy of the 537 components, including the overall motion of the minute repeater mechanism and the captivating dance of the tourbillon.
To showcase and enhance this beauty, the traditional method was skeletonization—creating openings within the caliber's existing bridges. However, for Jaeger-LeCoultre, this was not enough, as structural components like bridges and plates essential to the movement's function still obscured parts of the caliber.
Sapphire Bridges, an Innovative Solution: Three bridges essential to the movement's structural stability are precision-constructed from transparent sapphire crystal rather than metal. Forming sapphire bridges directly within the movement presented several technical challenges, such as the precise setting of 11 critical rubies, making this a significant achievement for the Grande Maison. Since it was impossible to set rubies directly into sapphire crystal, 18K pink gold chatons were skillfully utilized. This technical feat not only solved the challenge but also enhanced the artistic beauty of the caliber. To emphasize transparency and pure visual aesthetics, the sapphire bridges have been polished and treated with anti-reflective and anti-static coatings.
14 Types of Decoration: The beautiful brilliance of the caliber is enhanced by various finishes, including those on the case: sandblasting, perlage, polishing, flat polishing, straight graining, linear brushing, circular brushing, Côtes de Genève, diamond polishing, snailing, sunray brushing, chamfering, and guilloché. The exceptional precision of the hand-applied finishes is evident on every component, from the chamfering and perlage to the various types of brushing and polishing on different surfaces. This attention to detail is embodied by the 48 internal angles and 60 hand-chamfered parts that adorn the movement.
Exceptional Dial: The dial is elegantly complemented by the 18K pink gold case, and the diverse surface finishes newly introduced to this caliber highlight the play of light along its contours. Surrounding the sophisticated displays, the dial is stripped of decoration at the periphery of the movement to reveal an 18K white gold openwork ring, exposing the elegant guilloché on the 18K pink gold in-house winding rotor—a masterpiece created in Jaeger-LeCoultre’s Métiers Rares™ atelier. To create visual contrast, the 18K pink gold applied hour markers and the Jaeger-LeCoultre logo harmonize with the hands and the winding rotor.
The Art of Integration: The complex case, redesigned for the ultra-thin Caliber 362, consists of 60 parts. As an innovative mechanism replacing the traditional slide, the original Caliber 362 combined a patented retractable button at 10 o'clock to activate the minute repeater with a second button at 8 o'clock for locking and unlocking. These buttons have been redesigned specifically for the Hybris Mechanica Caliber 362 to integrate perfectly into the new case.
A Masterpiece of Technical Creativity and Thinness
As a testament to the Manufacture's continued pursuit of the "perfect" chime, the Caliber 362 minute repeater features a striking mechanism composed of 187 parts, designed to harmonize with the regulating organ and automatic winding system. This design achieves both exceptional acoustic performance and extreme thinness. Integrated directly into the caliber's primary structure, the minute repeater features integrated square gongs optimized for tonal purity and resonance. These are paired with Trebuchet-style articulated hammers, which strike the gongs with greater speed and precision, producing a sound that combines power and sophistication.
The in-house patented Silent Time-lapse Reduction function, developed specifically for Caliber 362, further embodies this philosophy of integration. By dramatically reducing the pause between the hour and minute chimes—particularly when no quarters are struck—it ensures a smooth, uninterrupted sequence of sound.
The transparency of the flying tourbillon is further enhanced by the cutouts in the baseplate, the elimination of the cocks and bridges that secure it, and the patented flying balance. To achieve thinness while ensuring an extremely precise and concentric "beat" and resulting high-precision chronometry, Jaeger-LeCoultre engineers invented and patented an S-shaped hairspring. This S-shaped hairspring can be viewed from all angles due to the elimination of the tourbillon bridge. The invention of this novel spring shape was necessary for the tourbillon's unique structure and the overall reduction of the caliber's thickness.
Through three major technological innovations, the beautiful mechanics and complications of Caliber 362 are realized within an ultra-thin automatic movement just 4.7mm high.
The winding rotor is designed as a peripheral rotor, which offers the dual benefit of not adding to the caliber's thickness while allowing for an unobstructed view of the movement's beauty from both the dial and caseback sides. Supported by 36 specially designed ceramic ball bearings and activated by the wearer's wrist movement, the rotor rotates freely in both directions for optimal winding efficiency.
Technical Specifications
Master Hybris Mechanica Ultra Thin Minute Repeater Tourbillon
• Case: 18K pink gold (750/1000)
• Dimensions: 41.4mm x 8.25mm
• Caliber: Jaeger-LeCoultre Automatic Caliber 362
• Functions: Hours, Minutes, Minute Repeater with Silent Time-lapse Reduction, 1-minute Flying Tourbillon
• Power Reserve: 42 hours
• Front Dial: White gold, openwork
• Back Dial: Transparent sapphire crystal
• Water Resistance: 30m
• Strap: Brown alligator strap, small-scale lining, 18K pink gold pin buckle
• Reference: Q13125S2
• Limited Edition: 10 pieces
About "The Valley of Invention"
The Vallée de Joux is the birthplace of Jaeger-LeCoultre. "The Valley of Invention," which honors this location that remains its home to this day, is an homage to the remote valley where refugees from across Europe found sanctuary 600 years ago. Amidst the harsh environment and severe winter cold, the early inhabitants were required to foster resilience, perseverance, and ingenuity to survive. Ten generations later, in the early 19th century, Antoine LeCoultre taught himself watchmaking and set about inventing machines that could measure and cut watch parts with unprecedented precision, laying the foundation for modern watchmaking. Since the founding of LeCoultre’s first watchmaking workshop in 1833, this spirit of ingenuity and pursuit of precision has defined Jaeger-LeCoultre. A series of inventions and technical advancements led to the creation of calibers sought after by many major manufacturers for their own watches. This earned Jaeger-LeCoultre recognition as the "Watchmaker of Watchmakers™." As evidenced by the achievement of over 430 patents to date, continuous invention continues to nurture the Grande Maison’s pursuit of precision today and leads it into the future.
• Beyond Skeletonization: Artistic openwork and sapphire bridges showcase the beauty of the caliber's 537 components.
• Ultra-Thin Caliber: A high-complication automatic caliber, 4.7mm thick, with a case height of 8.25mm and a diameter of 41.4mm.
• Complex Case Structure: A new case consisting of 60 parts. This is the first design specifically engineered for Caliber 362, masterfully adapting the iconic Master Grande Tradition codes.
• The World’s Thinnest Automatic Minute Repeater Tourbillon: A fully integrated movement design where the minute repeater forms an essential element of the structure.
Jaeger-LeCoultre reinterprets the Grande Maison’s renowned ultra-thin caliber to present the Master Hybris Mechanica Ultra Thin Minute Repeater Tourbillon, merging a minute repeater with a flying tourbillon. Housed in an 18K pink gold case measuring just 8.25mm thick, the watch features a construction that allows the entire mechanism to be viewed. The movement is revealed through the transparency of sapphire, while a minimalist dial forms an openwork ring surrounding the movement. Utilizing seven patented technologies—six of which were developed specifically for the launch of Caliber 362 in 2014—this timepiece unites some of the most remarkable feats in watchmaking, including a one-minute flying tourbillon and a beautifully resonant minute repeater.
A Great Legacy: Chiming Timepieces, Ultra-Thin Calibers, and Chronometric Precision
At the time of its 2014 debut, Caliber 362 embodied groundbreaking invention and innovative aesthetics, carrying forward Jaeger-LeCoultre’s exceptional heritage in two key areas: chiming mechanisms and precision chronometry. To this day, it remains the thinnest automatic minute repeater tourbillon in the world.
Jaeger-LeCoultre’s expertise in ultra-thin movements dates back to the collaboration between Jacques-David LeCoultre and Edmond Jaeger. This partnership led to the creation of Caliber 145 in 1907, which boasted a record-breaking thickness of just 1.38mm.
Since developing its first tourbillon movement in 1946 and launching its first tourbillon wristwatch in 1993, Jaeger-LeCoultre’s pursuit of increased chronometric precision has led to numerous inventions in tourbillon cage construction and hairspring geometry, optimized for various regulating organs.
Since presenting its first minute repeater in 1870, Jaeger-LeCoultre has created over 200 repeater calibers. The time and effort the Manufacture has invested in the study of striking complications—sound quality, tone, volume, and rhythm—have resulted in numerous patents, several of which are incorporated into Caliber 362.
Each complex mechanism is not layered separately; Caliber 362 was conceived from the start as a fully integrated movement. The minute repeater is not an addition to the base caliber but forms an essential part of the structure itself. This integration is the foundation for achieving the movement's exceptional thinness.
The striking mechanism was completely redesigned to minimize vertical space. Its optimized structure occupies approximately one-third of the total caliber volume, demonstrating how meticulously each component was calculated to reduce thickness without compromising acoustic performance. By rethinking the arrangement of the racks, hammers, and gongs within the mainplate, Jaeger-LeCoultre engineers eliminated the additional layers traditionally required for repeater mechanisms.
Equally contributing to this slim profile is the flying tourbillon, which consists of 59 parts and weighs just 0.248 grams. By omitting the upper bridge, the one-minute flying tourbillon reduces the height of the structure while enhancing visual lightness. Removing the upper support not only increases the beautiful transparency of the movement but also eliminates excess material and optimizes vertical space.
The rotor also plays a decisive role. Instead of a traditional center rotor, Caliber 362 features a peripheral rotor arranged around the movement. This ingenious solution eliminates the added thickness of a stacked winding rotor, achieving efficient automatic winding while maintaining an ultra-thin profile.
The integration of the minute repeater, the flying tourbillon structure, and the peripheral winding system are not merely additions; they were conceived as elements that contribute to the structural reduction of thickness.
Lightness, Transparency, and Striking Contrast
This Hybris Mechanica, powered by Caliber 362, was designed to showcase the entire movement. Its assembly alone requires seven weeks, revealing the delicacy of the 537 components, including the overall motion of the minute repeater mechanism and the captivating dance of the tourbillon.
To showcase and enhance this beauty, the traditional method was skeletonization—creating openings within the caliber's existing bridges. However, for Jaeger-LeCoultre, this was not enough, as structural components like bridges and plates essential to the movement's function still obscured parts of the caliber.
Sapphire Bridges, an Innovative Solution: Three bridges essential to the movement's structural stability are precision-constructed from transparent sapphire crystal rather than metal. Forming sapphire bridges directly within the movement presented several technical challenges, such as the precise setting of 11 critical rubies, making this a significant achievement for the Grande Maison. Since it was impossible to set rubies directly into sapphire crystal, 18K pink gold chatons were skillfully utilized. This technical feat not only solved the challenge but also enhanced the artistic beauty of the caliber. To emphasize transparency and pure visual aesthetics, the sapphire bridges have been polished and treated with anti-reflective and anti-static coatings.
14 Types of Decoration: The beautiful brilliance of the caliber is enhanced by various finishes, including those on the case: sandblasting, perlage, polishing, flat polishing, straight graining, linear brushing, circular brushing, Côtes de Genève, diamond polishing, snailing, sunray brushing, chamfering, and guilloché. The exceptional precision of the hand-applied finishes is evident on every component, from the chamfering and perlage to the various types of brushing and polishing on different surfaces. This attention to detail is embodied by the 48 internal angles and 60 hand-chamfered parts that adorn the movement.
Exceptional Dial: The dial is elegantly complemented by the 18K pink gold case, and the diverse surface finishes newly introduced to this caliber highlight the play of light along its contours. Surrounding the sophisticated displays, the dial is stripped of decoration at the periphery of the movement to reveal an 18K white gold openwork ring, exposing the elegant guilloché on the 18K pink gold in-house winding rotor—a masterpiece created in Jaeger-LeCoultre’s Métiers Rares™ atelier. To create visual contrast, the 18K pink gold applied hour markers and the Jaeger-LeCoultre logo harmonize with the hands and the winding rotor.
The Art of Integration: The complex case, redesigned for the ultra-thin Caliber 362, consists of 60 parts. As an innovative mechanism replacing the traditional slide, the original Caliber 362 combined a patented retractable button at 10 o'clock to activate the minute repeater with a second button at 8 o'clock for locking and unlocking. These buttons have been redesigned specifically for the Hybris Mechanica Caliber 362 to integrate perfectly into the new case.
A Masterpiece of Technical Creativity and Thinness
As a testament to the Manufacture's continued pursuit of the "perfect" chime, the Caliber 362 minute repeater features a striking mechanism composed of 187 parts, designed to harmonize with the regulating organ and automatic winding system. This design achieves both exceptional acoustic performance and extreme thinness. Integrated directly into the caliber's primary structure, the minute repeater features integrated square gongs optimized for tonal purity and resonance. These are paired with Trebuchet-style articulated hammers, which strike the gongs with greater speed and precision, producing a sound that combines power and sophistication.
The in-house patented Silent Time-lapse Reduction function, developed specifically for Caliber 362, further embodies this philosophy of integration. By dramatically reducing the pause between the hour and minute chimes—particularly when no quarters are struck—it ensures a smooth, uninterrupted sequence of sound.
The transparency of the flying tourbillon is further enhanced by the cutouts in the baseplate, the elimination of the cocks and bridges that secure it, and the patented flying balance. To achieve thinness while ensuring an extremely precise and concentric "beat" and resulting high-precision chronometry, Jaeger-LeCoultre engineers invented and patented an S-shaped hairspring. This S-shaped hairspring can be viewed from all angles due to the elimination of the tourbillon bridge. The invention of this novel spring shape was necessary for the tourbillon's unique structure and the overall reduction of the caliber's thickness.
Through three major technological innovations, the beautiful mechanics and complications of Caliber 362 are realized within an ultra-thin automatic movement just 4.7mm high.
The winding rotor is designed as a peripheral rotor, which offers the dual benefit of not adding to the caliber's thickness while allowing for an unobstructed view of the movement's beauty from both the dial and caseback sides. Supported by 36 specially designed ceramic ball bearings and activated by the wearer's wrist movement, the rotor rotates freely in both directions for optimal winding efficiency.
Technical Specifications
Master Hybris Mechanica Ultra Thin Minute Repeater Tourbillon
• Case: 18K pink gold (750/1000)
• Dimensions: 41.4mm x 8.25mm
• Caliber: Jaeger-LeCoultre Automatic Caliber 362
• Functions: Hours, Minutes, Minute Repeater with Silent Time-lapse Reduction, 1-minute Flying Tourbillon
• Power Reserve: 42 hours
• Front Dial: White gold, openwork
• Back Dial: Transparent sapphire crystal
• Water Resistance: 30m
• Strap: Brown alligator strap, small-scale lining, 18K pink gold pin buckle
• Reference: Q13125S2
• Limited Edition: 10 pieces
About "The Valley of Invention"
The Vallée de Joux is the birthplace of Jaeger-LeCoultre. "The Valley of Invention," which honors this location that remains its home to this day, is an homage to the remote valley where refugees from across Europe found sanctuary 600 years ago. Amidst the harsh environment and severe winter cold, the early inhabitants were required to foster resilience, perseverance, and ingenuity to survive. Ten generations later, in the early 19th century, Antoine LeCoultre taught himself watchmaking and set about inventing machines that could measure and cut watch parts with unprecedented precision, laying the foundation for modern watchmaking. Since the founding of LeCoultre’s first watchmaking workshop in 1833, this spirit of ingenuity and pursuit of precision has defined Jaeger-LeCoultre. A series of inventions and technical advancements led to the creation of calibers sought after by many major manufacturers for their own watches. This earned Jaeger-LeCoultre recognition as the "Watchmaker of Watchmakers™." As evidenced by the achievement of over 430 patents to date, continuous invention continues to nurture the Grande Maison’s pursuit of precision today and leads it into the future.