Hublot
Big Bang Unico Chronograph
Ref. 301.CM.710.RX
The Hublot Big Bang Unico Chronograph is a high-end chronograph watch known for its innovative Unico movement, combining a 10-beat-per-second chronograph with a 50–52 hour power reserve. It exemplifies Hublot’s 'Art of Fusion' philosophy by blending cutting-edge materials like titanium, sapphire, ceramic, and polymer composites with advanced horological complications. The model is celebrated for its precision, durability, and visually striking design, featuring a front-facing column wheel and a silicon escapement.
crystalsapphire (scratch-resistant)
movementUnico chronograph (50–52 hour power reserve, 10 beats per second, bidirectional automatic winding, 36,000 vibrations per hour, silicon escapement, front-facing column wheel)
functionschronograph (flyback, 1/8th second precision, integrated reset/restart), bidirectional automatic winding
lug width53.6 mm (lug tip to lug tip)
case diameter42 mm
case materialtitanium, sapphire, ceramic, and polymer composite
year2014-present
A registered Hublot 301.CM.710.RX carries a permanent RGATT passport: origin, history and owners, verifiable by anyone, and a documented history makes a watch easier to sell.