Studio photography coming soon — this render reflects the reference's dial, case and bracelet.
Titanium · Black dial, openworked · Rubber strap
Earn 638 points ($6.38) with this purchase · Added Feb 20, 2026
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Hublot Big Bang Unico Titanium 44 mm 421.NX.1170.RXBBF's Ingenious Masterpiece!HUBLOT's Big Bang Unico 45mm Rainbow Watch, part of the Big Bang series…
Every piece is inspected to our five-step quality-control standard — appearance, timegrapher test, manual function check, QC photos & video for your approval — before it ships insured with tracking. Covered by our 24-month warranty.