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Hublot Big Bang 20th Anniversary Titanium Ceramic Watch 431.NM.1337.RX. Celebrate two decades of Hublot's innovative design with the limited-edition Big Bang watch. One of only 500 pieces, this watch combines polished and satin-finished titanium with a distinct one-click system and a crown engraved with the 20 YEARS logo. The case measures 43mm in diameter, offering water resistance up to 100 meters. The dial features a unique satin-finished carbon effect, housing the MHUB1280.20YEARS movement, a UNICO manufacture self-winding chronograph flyback with a column wheel. This precise mechanism, enhanced with an anthracite Ruthenium-plated main plate and bridges, includes a date display at 4:30 and an oscillating weight made of 22K King Gold engraved with 20 Years Hublot Big Bang. The movement delivers exceptional performance with a frequency of 4 Hz (28,800 A/h) and a power reserve of approximately 72 hours, supported by 354 components and 43 jewels. Complete with a black structured rubber straps and a black ceramic and titanium deployant buckle clasp.
Watch BrandHublot
RangeBig Bang Unico
Watch Reference431.NM.1337.RX
Case Size43mm
Case MaterialCeramic
MovementSelf-Winding Chronograph
ComplicationsFlyback
Chronograph2 Dial Chronograph
Date FunctionYes
Dial ColourBlack
Strap MaterialRubber
Strap ColourBlack
Water Depth10 Atm / 100 Metres
Don’t know the finger size? Don’t worry, we offer a complimentary finger sizing service.
We stock a wide range of finger sizes and advise that M is the most popular for women and T for men.
If your choice doesn’t fit we can adjust any of our classic styles and we offer the first sizing free of charge. If we can't size the ring, we will offer an exchange for the correct size.
How do I find my ring size? If you need help finding your ring size, use the our guides below or simply pop into one of our boutiques and we’ll size your finger for you.
Downloadable Ring Sizer If you already have a ring in your required size, download and print our Printable Ring Sizer. For best results, your ring should have a similar band and style as the ring you wish to order.
Complimentary Multi-sizer Ring Gauge If you don’t have a ring in your size, simply fill in your details below and we will post you out a free re-useable Multisizer Ring Gauge. Slip it onto your ring finger, tighten the strap and read your finger size on the gauge.