Unworn, Hublot Big Bang Original Unico Titanium Coal Blue, Ref# 431.NX.717B.RX, box and papers,

Hublot Big Bang Original Unico Titanium Coal Blue, ref. 431.NX.717B.RX, brings a distinctive new colour to the iconic Big Bang architecture. Its 43 mm satin-finished and polished Grade 5 titanium case is paired with a matching titanium bezel featuring the signature structured side pattern. The stamped satin-finished Coal Blue “Carbon Effect” dial creates a technical, contemporary appearance while highlighting the Manufacture UNICO chronograph. Powered by the HUB1280 automatic flyback movement with column wheel, it delivers approximately 72 hours of power reserve. Condition: unworn in like-new condition, comes with original box and papers, including dated warranty documents. Lightweight titanium and the Coal Blue rubber strap provide a comfortable, modern interpretation of Hublot’s Art of Fusion philosophy.

TECHNICAL DATA

• MOVEMENT

• HUB1280 UNICO Manufacture self-winding chronograph
• Integrated flyback chronograph with column wheel
• Double-clutch system
• 354-component construction
• Five patented innovations
• Approx. 72-hour power reserve

• CASE

• Satin-finished and polished Grade 5 titanium
• Satin-finished and polished titanium bezel
• Structured pattern on bezel side
• Stamped satin-finished Coal Blue “Carbon Effect” dial
• Sapphire crystal with anti-reflective treatment
• Water resistance: 10 ATM / 100 m

• DIMENSIONS

• Case diameter: 43 mm
• Lightweight Grade 5 titanium construction
• Contemporary Big Bang proportions

• STRAP

• Coal Blue structured rubber straps
• Titanium deployant buckle clasp
• Integrated sporty strap construction
• Flexible rubber design for comfortable and secure everyday wear

All Pre-Owned Rolex watches are guaranteed to be 100% genuine and certified authentic. Certificates are issued by Watch CSA, the industry's leading independent authority on watch authentication.

All orders are prepared and fulfilled only after payment has been received and fully processed. Once confirmed, orders are typically shipped within 1–3 business days (for models that require sourcing, this timeframe might be longer).

We ship via FedEx Overnight Priority with an Adult Signature Requirement, meaning someone 21 years or older must be present at the delivery address to sign for the package.

For full details regarding shipping options, delivery timelines, and rates, please review our Shipping Policy.

We offer a 3-day return period on eligible watches, starting from the date of delivery. To qualify, the watch must be returned in the same condition as received—unworn, unaltered, and with all original packaging, tags, and accessories included.

All returns must be approved in advance. Once received and inspected, refunds are processed promptly back to the original payment method.

For full details on eligibility, conditions, and the return process, please refer to our Return Policy.