Manufacturer details checked
Hublot
Hublot spirit-of-big-bang-tourbillon-5-day-power-reserve-black-sapphire-42-mm
- Manufacturer model slug
- spirit-of-big-bang-tourbillon-5-day-power-reserve-black-sapphire-42-mm
- case reference
- 645.JB.4934.RX
- case Size
- 42 mm
- case case
- Polished Black Sapphire Crystal
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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 slug
- spirit-of-big-bang-tourbillon-5-day-power-reserve-black-sapphire-42-mm
- case reference
- 645.JB.4934.RX
- case Size
- 42 mm
- case case
- Polished Black Sapphire Crystal
- case bezel
- Polished Black Sapphire Crystal
- case water resistance
- 30m or 3 ATM
- case crystal
- Sapphire with Anti-reflective Treatment
- case dial
- Sapphire Crystal Dial
- movement movement
- HUB6020 Manufacture Manual-winding Power Reserve Skeleton Tourbillon Movement
- movement power reserve
- Min. 115 Hours
- strap & clasp strap
- Black Lined Rubber. Additonal bracelet : Black Fabric with Velcro and Microblasted Ceramic Buckle.
- strap & clasp clasp
- Black Ceramic and Black-plated Titanium Deployant Buckle Clasp
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
- Hublot
- Reference token
- spirit-of-big-bang-tourbillon-5-day-power-reserve-black-sapphire-42-mm
- 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: hublot-official-batch-20260925 · Manufacturer details checked; editorial publication pending.