Billionaire III Rainbow White Gold BL115.30.AC.UA.A30AC

Description of the Jacob & Co. Watch

The Jacob & Co Billionaire III Rainbow White Gold BL115.30.AC.UA.A30AC is a one-of-a-kind high jewelry tourbillon watch defined by extraordinary gemstone craftsmanship and bold color. Crafted from 18K white gold, the case, inner ring, movement bridges, and bracelet are extensively set with natural, no-heat multicolored sapphires. A total of 714 sapphires weighing approximately 147.65 carats creates the spectacular rainbow appearance. Beneath the gemstones, the skeletonized JCAM39 hand-wound caliber reveals a one-minute tourbillon and offers a 72-hour power reserve. Created as a Pièce Unique, the Billionaire III Rainbow represents an exceptional combination of haute joaillerie, skeletonized watchmaking, and exclusivity.

Is the Jacob & Co Billionaire III Rainbow One of the Rarest Luxury Watches to Buy

The Jacob & Co Billionaire III Rainbow stands apart for collectors searching for a rare rainbow gemstone watch with serious mechanical watchmaking at its core. Its 714 natural, no-heat multicolored sapphires total approximately 147.65 carats and extend from the case and inner ring to the movement bridges and integrated bracelet. Combined with a skeleton tourbillon movement and one-of-one Pièce Unique status, this exceptional Jacob & Co. watch offers the rarity and visual presence sought by luxury watch collectors and internationally.

Design and Craftsmanship

The sculptural 54 x 40 mm case is crafted from 18K white gold and measures just 11 mm in height. An anti-reflective sapphire crystal and sapphire crystal caseback reveal the skeletonized architecture from both sides.

The rainbow gemstone composition extends throughout the entire watch. The case features 76 emerald-cut natural, no-heat multicolored sapphires, while another 76 emerald-cut sapphires decorate the inner ring. The movement bridges are further embellished with 57 gemstones, integrating high jewelry craftsmanship directly into the mechanical display.

Its 18K white gold bracelet is set with an extraordinary 504 emerald-cut multicolored sapphires, completing the uninterrupted rainbow aesthetic.

Movement and Performance

The Billionaire III Rainbow is powered by the hand-wound Jacob & Co. JCAM39 skeleton caliber. Composed of 167 components, the openworked movement allows its mechanical construction to become an integral part of the watch's design.

Operating at 21,600 vibrations per hour (3 Hz), the caliber provides an impressive 72-hour power reserve. Its principal complication is a one-minute tourbillon, combining traditional haute horlogerie with the extravagant gemstone setting 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
• One-minute tourbillon
• 18K white gold construction
• 714 natural, no-heat multicolored sapphires
• Approximately 147.65 ct. total sapphire weight
• Emerald-cut rainbow sapphire setting
• Gem-set movement bridges
• Fully gem-set 18K white gold bracelet
• Skeletonized rhodium-plated hands
• Pièce Unique, one-of-one creation

Specifications

Case

• Material: 18K white gold
• Dimensions: 54 x 40 mm
• Height: 11 mm
• Crystal: Anti-reflective sapphire crystal
• Caseback: Sapphire crystal
• Water Resistance: 30 meters (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 multicolored sapphires
• Movement Bridges: 57 natural, no-heat multicolored sapphires
• Bracelet: 504 emerald-cut natural, no-heat multicolored sapphires
• Total: 714 natural, no-heat multicolored sapphires
• Total Sapphire Weight: Approximately 147.65 ct.

Dial and Hands

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

Bracelet

• Material: 18K white gold
• Gem 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