Manufacturer details checked
Jacob & Co
billionaire-double-tourbillon-angel-cut/black-treated-diamond
- Manufacturer model
- BILLIONAIRE-DOUBLE-TOURBILLON-ANGEL-CUT/BLACK-TREATED-DIAMOND
- ITEM NUMBER
- BL140.31.AA.AA.A
- MOVEMENT
- Caliber : Skeleton, JCAM50 Winding : Hand-wound Components : 460 Power Reserve : 72 Hours Frequency : 21'600 vph (3 Hz) Functions : Hours and Minutes Two One-minute Tourbillons
- CASE
- Size : 54 x 40 mm Height : 11 mm Material : 18K Black Gold Crystal : Anti-reflective Sapphire Crystal Caseback : Sapphire Crystal Water Resistance : 30 m (3 atm)
Affiliate link: WatchesAtlas may earn a commission from qualifying purchases, at no extra cost to you.
Search results and retailer pages may include other models. Check the exact reference, seller, condition and delivery terms on the destination website.
Specifications checked against the linked manufacturer page. The image source and display method are identified with the illustration.
Manufacturer specifications checked for this reference
These specifications were checked against the manufacturer page for this exact reference.
- Manufacturer model
- BILLIONAIRE-DOUBLE-TOURBILLON-ANGEL-CUT/BLACK-TREATED-DIAMOND
- ITEM NUMBER
- BL140.31.AA.AA.A
- MOVEMENT
- Caliber : Skeleton, JCAM50 Winding : Hand-wound Components : 460 Power Reserve : 72 Hours Frequency : 21'600 vph (3 Hz) Functions : Hours and Minutes Two One-minute Tourbillons
- CASE
- Size : 54 x 40 mm Height : 11 mm Material : 18K Black Gold Crystal : Anti-reflective Sapphire Crystal Caseback : Sapphire Crystal Water Resistance : 30 m (3 atm)
- GEM-SETTING
- Case : Set with 98 Black Treated Angel-cut Diamonds (51.13 ct.) and 1 Black Treated Rose-cut Diamond (1 ct.) Dial : Invisibly-set with 88 Black Treated Angel-cut Diamonds (11.07 ct.) & 80 Black Treated Emerald-cut Diamonds (1.14 ct.) Clasp : Invisibly-set with 30 Black Treated Angel-cut Diamonds (15.72 ct.) Total Carat Weight : 297 Black Treated Diamonds (80.06 ct.)
- DIAL & HANDS
- Dial : 18K Black Gold Hands : Exclusive Jacob & Co. Shape, Blued, Skeletonized
- STRAP & CLASP
- Strap : Black Alligator Leather Clasp : 18K Rose Gold Deployment Buckle
- LIMITED EDITION
- 3 Pieces
Checked 2026-09-27 · Regional scope: manufacturer Europe · Manufacturer specifications; individual watches may vary.
Original manufacturer wording is retained for source data without a reviewed translation.
Recorded discovery details.
- Brand
- Jacob & Co
- Reference token
- billionaire-double-tourbillon-angel-cut/black-treated-diamond
- Collection candidate
- Not established
- Family candidate
- Not established
- Product type
- Watch candidate
Official discovery source
The exact token was retained from a stored official manufacturer URL or feed. The source supports discovery, but does not by itself verify every model detail.
Open official manufacturer page ↗Source record: jacob-and-co-official-batch-20260925 · Publication eligible: no.