Hublot Big Bang Gold Case Black Dial 421.NL.5170.RX 42 mm

Product DescriptionThe Hublot Big Bang Gold Case Black Dial 42 mm is an embodiment of bold Swiss craftsmanship and contemporary luxury. Featuring a polished 18kt gold case paired with a deep black dial, this timepiece houses an in‑house automatic chronograph movement with skeletonized details that convey precision, performance and distinctive design DNA. Its striking contrast between rich gold and black accents ensures a refined yet powerful presence on the wrist.Technical SpecificationsSpecificationDetailsReference421.NL.5170.RX (commonly associated with Big Bang Unico Chronograph in titanium/ceramic blue variant; gold/black iteration may be custom variant based on Big Bang Unico design)Case Size42 mmCase Material18kt Gold (Yellow or Rose, depending on edition)BezelFixed Gold BezelDialBlack Skeleton or Black Dial FinishMovementUNICO Manufacture Automatic ChronographPower ReserveApprox. 72 hoursCrystalSapphire with Anti‑Reflective TreatmentStrapStructured Rubber or LeatherClaspDeployant BuckleFunctionsHours, Minutes, Small Seconds, Chronograph, DateWater Resistance100 m / 10 ATMOriginSwiss Made