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Brilliant Art Deco Icy Blue Sapphires

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These words describe the Brilliant Collection from Jacob & Co. perfectly. Due to these attributes, this is a modern, beautiful watch for all the important moments of a woman's life, a showcase of Jacob & Co.'s high jewelry, gem sourcing, gem-setting and high-watchmaking expertise in a lady's timepiece.

For too long, women who wanted a mechanical timepiece have had to choose from restyled men's watches. Jacob & Co. developed the Brilliant collection for the woman who wants something beautiful to adorn her wrist and appreciates high-watchmaking movements.


Jacob & Co. is one of the few brands that has the legitimacy to create high and fine jewelry, as well as high-end watches.

The diamond and gemstones industry is a closed society, and it is really a relationship business. Sourcing the very best diamonds and gemstones depends on reputation and personal connections, and thankfully Jacob & Co. has solid, decades-long relationships.

As a result, Jacob & Co. has access to the very best sources of diamonds and gemstones from all over the world. Many of the gem-set timepieces, like the Brilliant Art Deco Skeleton Tourbillon pieces, require meticulous care in the choosing of stones for quality, cut, clarity, and matching color. This can take many months or years, depending on the exact colors needed.

Jacob & Co. is also an expert in the setting of these stones, working with the very best gem setters in the industry.


The tourbillon was originally invented to be a single-axis, rotating cage secured from above as well as below to carry the regulating organ of a mechanical pocket watch for improved timekeeping performance. The version in the Brilliant Flying Tourbillon presents this more than 225-year-old invention in a yet more spectacular way.

The one-minute tourbillon features a delicately decorated cage that encapsulates the balance wheel, hairspring, escape wheel and a number of other crucially important components. This open-worked cage not only features an elaborate web-pattern in its architecture, but also sapphire plates and gem-set bridges, allowing for an unobstructed and full view at the ultimate refinement of its detailing and operation. It is a constellation of superbly finished components that, when assembled and fine-tuned expertly, allows the JCAA03 movement to keep accurate time throughout its 72-hour power reserve.


The 44mm 18K gold cases, inner bezels, and crowns of the Brilliant Skeleton Collection are invisibly-set with baguette-cut precious stones (the crown has a rose-cut gemstone on the top). Covering the front and back of the timepieces are anti-reflective sapphire crystals, putting the beautifully skeletonized movements on full display.


The beauty of skeletonized watches is that there are no dials - instead the highest quality sapphire crystals expose the details of the movement, including the wheels, gears, balance, bridges, and mainspring barrel. The leaf-shaped hands in the center, indicating the hours and minutes, float over the mechanical splendor.


High Watchmaking and High Jewelry Ladies' timepieces

47mm 18K gold case

High-watchmaking manual-wind tourbillon movement magnificently skeletonized

Sapphire plates and gem-set bridges within the skeletonized movement

Meticulously sourced precious stones, matched for cut, clarity, quality, and color.

Impeccable high-jewelry invisible-setting of the gemstones

a close up of a clock

Technical Specifications

Item Number: BT545.30.BC.RB.A

Movement: Exclusive Jacob & Co. skeleton manual winding caliber. 6mm; one-minute flying tourbillon; frequency: 21,600 vib/h (3 Hz); anti shock; 72-hour power reserve Finishing: Open-worked movement with sapphire plates and bridges.

Functions: Hours and minutes.

Case: 47 mm diameter, 18K White Gold; Case Polished and Invisibly Set with 205 Baguette Icy Blue Sapphires (≈ 20.98 ct.); Inside Upper Bezel with 48 Baguette White Diamonds (≈ 1.98 ct.); Crown Set with 14 Baguette Icy Blue Sapphires (≈ 0.80 ct.) and One Rose Cut Icy Blue Sapphire (≈ 0.49 ct.); sapphire glass (front and back).

Dial and Hands: Hands: Leaf.

Strap & Clasp: Alligator strap, 18K White Gold Tang Buckle Set with 20 Baguette Icy Blue Sapphires (≈ 1.49 ct.).

Remarks: Water resistant to 30 meters; 2-year warranty.

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If you have any questions, queries or comments, please feel free to get in touch and our team will be delighted to help you.

Contact Us

Flagship Boutique
/ Corporate Office

48 East 57 Street
New York, NY 10022
+1 (212) 719-5887
Jacob & Co

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