Key Highlights
- 50mm rose gold case and dial invisibly set with 550 baguette-cut multicolored sapphires totalling 45 carats
- Twin, central, flying, triple-axis tourbillon at the mechanical heart of the piece
- Mysterious hour and minute indication with 2 diamond markers
- Hexagonal and baguette-cut stone geometry covers every surface in saturated colour
- Limited to just two unique pieces worldwide
Where High Watchmaking Meets High Jewellery
JACOB & CO has long operated at the intersection of extreme mechanical ambition and jewellery extravagance, and the Mystery Tourbillon may represent the most complete expression of that philosophy to date. Founded by Jacob Arabo, the New York-born maison built its reputation on watches that reject restraint in favour of sculptural audacity — pieces that collectors in Dubai, Riyadh, and Doha have gravitated toward precisely because they are designed to be seen. The Mystery Tourbillon does not temper that energy; it amplifies it across every millimetre of its surface.
The 50mm rose gold case is not merely a container for the movement — it is itself a canvas. Every facet of the case and dial is invisibly set with baguette-cut multicolored sapphires, 550 stones in total, collectively weighing 45 carats. The invisible setting technique — in which stones are set so that no metal prongs interrupt the colour field — creates an unbroken, shimmering surface that reads almost like fractured, saturated light. The hexagonal cut geometry across the case adds architectural rigour to what might otherwise risk becoming decorative excess.
The result is a timepiece that sits at the far end of the spectrum from minimalism, where movement, gemstone, and form are fused into a single continuous visual statement. For enthusiasts who follow the major debuts at Watches and Wonders and beyond, the Mystery Tourbillon represents an important reminder that the most demanding horology need not sacrifice spectacle.
The Mechanical Architecture
Beneath the gemstone surface lies what JACOB & CO describes as a twin, central, flying, triple-axis tourbillon — one of the most mechanically intricate tourbillon configurations in contemporary watchmaking. A conventional tourbillon rotates on a single axis to counter the effects of gravity on a movement’s regulating organ. A triple-axis tourbillon compounds that rotation across three independent axes simultaneously, requiring far greater engineering precision and significantly more complex construction. Placing this mechanism centrally and in a flying configuration — meaning it is cantilevered without an upper bridge obscuring the view — makes it the centrepiece of an already theatrical dial composition.
The hour and minute indication is described as mysterious, presented with just two diamond markers to orient the hands. In a watch this dense with visual information, the restraint of the time display itself is a deliberate contrast — the complications and the stone-setting do the expressive work, while the fundamental function of telling the time is rendered almost secondary, quietly poetic. The full specifications and movement details can be explored on the official JACOB & CO website.
Exclusivity and Collector Significance
The Mystery Tourbillon is produced as exactly two unique pieces. That number is not a marketing figure — it is a frank acknowledgement that a watch of this technical and gem-setting complexity cannot be produced at volume. The invisible setting of 550 sapphires across a curved, architecturally complex case is itself a process requiring months of lapidary and setting work, and the triple-axis tourbillon adds a second layer of artisanal intensity. Two pieces, in this context, is not scarcity manufacturing; it is the natural output ceiling of the craft involved.
For collectors in the GCC — a region that has consistently supported ultra-limited, jewellery-grade watchmaking from houses including PIAGET and VAN CLEEF & ARPELS — the Mystery Tourbillon occupies a rare category: a watch that is simultaneously a certified mechanical achievement and a wearable jewel of the first order. The convergence of high watchmaking and high jewelry in a single object at this level of finish is precisely the kind of proposition that drives serious collector interest across the Gulf.
Why It Matters
The JACOB & CO Mystery Tourbillon is significant not simply because of its stone count or its mechanical complexity, but because it demonstrates that the two disciplines — haute horlogerie and haute joaillerie — are most powerful when they are genuinely inseparable rather than merely combined. For GCC collectors and luxury enthusiasts who value both technical mastery and visual impact, this is a timepiece that makes no concessions on either front.
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Frequently Asked Questions
How many sapphires are set in the JACOB & CO Mystery Tourbillon?
The Mystery Tourbillon features 550 baguette-cut multicolored sapphires with a total weight of 45 carats, invisibly set across both the case and dial.
What type of tourbillon does the JACOB & CO Mystery Tourbillon use?
The watch is equipped with a twin, central, flying, triple-axis tourbillon — one of the most mechanically complex tourbillon configurations in watchmaking.
How many Mystery Tourbillon pieces were produced by JACOB & CO?
The Mystery Tourbillon is produced as exactly two unique pieces, making it an extremely exclusive creation from JACOB & CO.


