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Bovet 1822 - Récital 26 Brainstorm® Chapter Two

Bovet 1822 Récital 26 Brainstorm® Chapter Two

Double-face flying tourbillon, world time with indexable second-time zone, moon phase, and five days’ power reserve.

The Brainstorm Chapter Two is the second timepiece in the Bovet collection to be fitted with a sapphire crystal case in the emblematic writing case with an asymmetrical profile imagined by Mr. Pascal Raffy in 2016. The slope of its bezel allows the collector to explore new display mechanisms that guarantee intuitive and increased readability. Concentric rollers, rotating domes, and three-dimensional needles were used to express time in new ways. The protected design of the writing case opens up new horizons in terms of the very architecture of the movements, by optimizing the volume which simultaneously increases the functionalities offered, the chronometry, the reliability, and the readability.

Récital 26 Brainstorm® Chapter Two

Récital 26 Brainstorm® Chapter Two © Bovet 1822

Anxious to offer useful functionalities in absolute coherence, Mr. Pascal Raffy and the development department of the House of Bovet have imagined a movement that justifies the use of the “writing slope” case entirely made of sapphire. Selected for its crystalline transparency, sapphire is, moreover, the second hardest material known after diamond and, a little known fact, it is lighter than titanium. This unprecedented choice  immediately revealed one of the major challenges faced by the technicians at the House of Bovet. If sapphire cases have been known for almost forty years, their designs have remained relatively simple, because of the machining and polishing constraints due to the hardness of the material. Achieving a complex case, especially with the asymmetrical profile of the writing case confronted engineers and technicians with difficulties and challenges that were beautifully mastered with the unveiling of the Brainstorm Chapter One in 2019 and continues today with the unveiling of the Brainstorm Chapter Two which has also been encased in sapphire for the pure pleasure and delightful exploration of the collector.

Récital 26 Brainstorm® Chapter Two

Récital 26 Brainstorm® Chapter Two © Bovet 1822

Ultimately, the middle and the glass form only one single element, 47.80 in diameter, which meticulously respects the original design of the cases in the collection. The back is made up of a bezel and four horns machined from grade 5 titanium. The sapphire crystal case opens generously to display the movement which has many secrets to reveal. To optimize transparency and ergonomics, the watchmakers of the House of Bovet decided to fix the movement at the bottom rather than inside the middle, as is usually the case. A choice they had already successfully experimented with building the luminous OttantaSei Tourbillon in 2016 and the Récital 26 Brainstorm® Chapter One in 2019. The Chapter One has been awarded numerous distinctions saluting its design and the mastering of the innovative technicality of its case material and design.

The fully developed caliber for this Brainstorm Chapter Two is entirely manufactured in the Bovet 1822 workshops and is the result of a new design. Absolute control of energy guarantees an autonomy greater than five days of power reserve by the use of a single barrel, which maintains the oscillations of the regulating structure at a frequency which has been increased to the frequency of 21,600 v/h for spectacular chronometry enhanced by the patented double-sided flying tourbillon.

Récital 26 Brainstorm® Chapter Two

Récital 26 Brainstorm® Chapter Two © Bovet 1822

The information provided by this new caliber is displayed consistently in the volume of the case. A dome dial, available in a choice of blue or green translucent quartz or blue aventurine glass, displays the hours and minutes of local time in the upper part of the case. The seconds are read by an index fixed on the tourbillon, itself, placed at 6 o'clock which makes a complete revolution, in 60 seconds. Finally, two rotating domes placed, respectively, at 3 o'clock and 9 o'clock harmoniously complete the shaping.

Récital 26 Brainstorm® Chapter Two

Récital 26 Brainstorm® Chapter Two © Bovet 1822

The dome, located at 3 o'clock, displays a second time zone, according to the construction, specifically developed for this timepiece and subject to a patent. The names of 24 cities representing the 24 time zones are printed on the rotating part of the dome which makes a complete revolution, by scanning the 24-hour graduation of the base ring. A three-dimensional V-shaped needle allows the collector to select the displayed time zone.

In perfect symmetry, the moon phase indicator is positioned at 9 o'clock and is also displayed by a rotating dome. The surface of the lunar ground is engraved by hand before luminescent material is applied, also, by hand. The two circular windows which overhang the dome make it possible to read the age of the moon according to the specific orientation of its crescent, whether one is in the northern hemisphere or the southern hemisphere of the earth. The precision mechanism that drives this dome gives it an accuracy that requires a correction of one day every 127 years!

 

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The Bovet Manufacture upholds the tradition of decorative arts applied to its delicately engraved, chased, enamelled, engine-turned or hand-painted cases, dials and movements, thus passing on the unrivalled knowhow that has been gracing the Firm’s collections and heritage since 1822.

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