Featuring the exquisite Magic gold alloy, the world's only scratch resistant gold alloy which can only be altered by diamonds, this remarkable limited edition timepiece by Hublot bares the iconic design of the 2005 Big Bang, thus combining tradition and state-of-the-art technology.Technical detailsModel: Big Bang Unico Full Magic GoldReference: 411.MX.1138.RXCaseDiameter 45 mm in polished Magic GoldBezel: Polished Magic Gold, 6 H-shaped black PVD treated titanium screws, countersunk, polished & lockedCrystal: Sapphire with interior/exterior anti-reflective coating and gilt Hublot logoCrown: Black satin-finished PVD titanium with Hublot logo and black over-moulded rubberPush-pieces: Satin-finished black PVD titaniumCase-back: Sapphire crystal with interior anti-reflective treatment, Micro-blasted black PVD titaniumWater resistance: 10 ATM, i.e. approx. 100 metresDialMatt black varnished skeletonRed and 2N gold powder transfersSatin-finished gilt counter ring at 9 o'clock (small second)Satin-finished gilt counter ring at 3 o'clock (chronograph minute)Gilt plated indices with black Superluminova™HandsSatin-finished gilt with black SuperLuminova™Gilt plated and red varnished chronograph handMovementHUB 1242 UNICO movement with anthracite grey treatment, developed and manufactured in-house by HublotAutomatic fly back chronograph with column wheel and double clutch visible on the dial sideDate: White window at 3 o'clockOscillating weight: Anthracite grey treatmentPower reserve: Approximately 72 hoursStrapStructured, ribbed black rubberInterchangeable systemBlack PVD titanium deployant buckle with ceramic plate