BIG BANG CHRONOGRAPH PORTHOLE Reference: 341.PT.5010.LR.1912. Serial number: 870258. 18k pink gold case, pink gold bezel set with hematite. Anthracite grey dial, highlighted by three counters (seconds, minute totalizer, hour totalizer). Self-winding mechanical movement. Rubber strap on pink gold and titanium folding clasp, signed. Sapphire crystal. Circa 2010. Diameter: 41 mm. Gross weight: 145.7 g. An 18k gold wristwatch automatic movement, by Hublot. Circa 2010. RC : Sold as is, traces of wear and use. Movement functional at time of writing, without warranty.