Billionaire III Rainbow Rose Gold BL115.40.AC.UA.A40AC

Description of the Jacob & Co. Watch

The Jacob & Co Billionaire III Rainbow Rose Gold BL115.40.AC.UA.A40AC is an extraordinary high jewelry tourbillon watch that combines vibrant gemstones with skeletonized mechanical watchmaking. Crafted from 18K rose gold, its distinctive 54 x 40 mm case, inner ring, movement bridges, and integrated bracelet are extensively decorated with natural, no-heat gemstones. The spectacular composition features multicolored sapphires alongside ruby accents, with a listed total gemstone weight of approximately 147.65 carats. At its center, the hand-wound JCAM39 skeleton caliber reveals a one-minute tourbillon and delivers a 72-hour power reserve. Created as a Pièce Unique, the Billionaire III Rainbow Rose Gold is an exceptional one-of-one creation for collectors of rare Jacob & Co. watches.

It is worn on its integrated 18K rose gold bracelet with a folding clasp, and is made for collectors who want a rainbow gemstone watch with serious mechanical watchmaking.

Is the Jacob & Co Billionaire III Rainbow Rose Gold a Rare Luxury Watch to Buy

The Jacob & Co Billionaire III Rainbow Rose Gold is designed for collectors searching for an exclusive rainbow gemstone watch that combines high jewelry with serious mechanical watchmaking. Its warm 18K rose gold construction creates a striking setting for the natural, no-heat multicolored sapphires and rubies, while the openworked JCAM39 caliber places its one-minute tourbillon on full display. For clients looking to buy a rare Jacob & Co. watch, the combination of approximately 147.65 carats of gemstones, skeletonized construction, and Pièce Unique status gives this Billionaire III exceptional collector appeal.

Design and Craftsmanship

The sculptural case measures 54 x 40 mm with a height of just 11 mm and is crafted entirely from 18K rose gold. An anti-reflective sapphire crystal and sapphire crystal caseback provide clear views of the intricate skeletonized movement.

The case is set with 76 emerald-cut natural, no-heat multicolored sapphires and accented by a white rose-cut diamond. The inner ring introduces 76 emerald-cut natural, no-heat rubies, adding a rich red contrast to the rainbow gemstone composition.

Gem-setting continues directly onto the movement bridges, while the 18K rose gold bracelet is decorated with 504 emerald-cut natural, no-heat multicolored sapphires. This extensive use of precious stones transforms the entire watch into a continuous piece of haute joaillerie.

Movement and Performance

At the heart of the Billionaire III Rainbow is the hand-wound Jacob & Co. JCAM39 skeleton caliber. Composed of 167 components, the openworked architecture exposes the movement's mechanical construction and allows the tourbillon to become a central part of the design.

The movement operates at 21,600 vibrations per hour (3 Hz) and delivers approximately 72 hours of power reserve. Its principal complication is a one-minute tourbillon, combining traditional haute horlogerie with the extravagant jewelry craftsmanship of the Billionaire collection.

Features and Complications

• Jacob & Co. JCAM39 skeleton caliber
• Hand-wound mechanical movement
• 167 movement components
• 72-hour power reserve
• Hours and minutes display
• One-minute tourbillon
• 18K rose gold construction
• Natural, no-heat multicolored gemstones
• Emerald-cut multicolored sapphires
• Natural, no-heat ruby-set inner ring
• Gem-set skeleton movement bridges
• Gem-set 18K rose gold bracelet
• Approximately 147.65 ct. listed total gemstone weight
• Rhodium-plated skeletonized hands
• Pièce Unique, one-of-one creation

Specifications

Case

• Material: 18K rose gold
• Dimensions: 54 x 40 mm
• Height: 11 mm
• Crystal: Anti-reflective sapphire crystal
• Caseback: Sapphire crystal
• Water Resistance: 30 meters (98 ft) / 3 ATM

Gem Setting

• Case: 76 emerald-cut natural, no-heat multicolored sapphires
• Case Accent: One white rose-cut diamond
• Inner Ring: 76 emerald-cut natural, no-heat rubies
• Movement Bridges: 57 baguette-cut natural, no-heat multicolored sapphires
• Bracelet: 504 emerald-cut natural, no-heat multicolored sapphires
• Listed Total Gemstone Weight: Approximately 147.65 ct.

Dial and Hands

• Inner Ring: 18K rose gold
• Display: Skeletonized
• Hands: Exclusive Jacob & Co. shape
• Hands Finish: Rhodium-plated and skeletonized

Bracelet

• Material: 18K rose gold
• Setting: 504 emerald-cut natural, no-heat multicolored sapphires
• Clasp: Folding clasp

Movement

• Caliber: JCAM39
• Type: Skeleton mechanical movement
• Winding: Hand-wound
• Components: 167
• Power Reserve: Approximately 72 hours
• Frequency: 21,600 vibrations per hour (3 Hz)
• Functions: Hours and minutes
• Complication: One-minute tourbillon