Skip to content
Hublot Spirit of Big Bang Tourbillon 5-Day Power Reserve Black Sapphire

Hublot Spirit of Big Bang Tourbillon 5-Day Power Reserve Black Sapphire

Manual WindingSapphire Crystal

Ref. 645.JB.4934.RX

Collection: Big BangCase size: 42mmMovement: HUB6020

The Hublot Spirit of Big Bang Tourbillon 5-Day Power Reserve Black Sapphire, reference 645.JB.4934.RX, has a polished black sapphire crystal case measuring 42 mm. Manual-winding calibre HUB6020 has a 115-hour power reserve. The sapphire dial includes a tourbillon and a power reserve display. Hublot rates the case to 30 metres for water resistance. A black lined rubber strap has a black-plated titanium deployant buckle. This is a limited edition of 20 pieces.

Add to my inventory

Free account required - pre-fills all specs automatically

Last updated 26 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Limited Edition

20 pieces

CASE

Diameter

42mm

Case Material

Sapphire Crystal

Water Resistance

30m

Crystal

Sapphire Crystal

Bezel Material

Ceramic

Case Shape

Tonneau

MOVEMENT

Movement Type

Manual Winding

Caliber

HUB6020

Power Reserve

115h

DIAL

Dial Color

Skeletonized

BRACELET/STRAP

Bracelet/Strap

Rubber

Clasp Type

Fold Clasp

Clasp Material

Titanium

FEATURES & COMPLICATIONS

Limited EditionPower Reserve DisplaySkeletonizedTourbillon

More from Hublot

Show all →

Other watches with the HUB6020 calibre

Show all →

FOR WATCH DEALERS

Trading the Hublot Spirit of Big Bang Tourbillon 5-Day Power Reserve Black Sapphire?

Clone any catalog watch into your stock, sync it to Chrono24 and eBay, and invoice it with your own tax settings.