Back Titanium with sapphire crystal, interior anti-reflection treatment Crown Steel with natural red rubber insert Start/Stop push-piece Steel, oblong with red lacquer insert Reset to replica Rado R13434152 Men's watch zeroPush-piece Steel, rectangular with natural red rubber insert Water-resistance 100 m or 10 ATMDial Matt black with shiny black applique indices and numerals, numeral 12 red Hublot logo Shiny black, at 6 o'clock Power ReserveIndicatorAt noonHands Faceted, diamond-polished, shiny black, black chronograph hand withH-shaped counterweight, red and white Split-Second handMovementMechanical Chronograph Split-Second with automatic winding, Calibre Hublot HUB44 RT developed in conjunction with La Joux-Perret BridgesSatin-finish, chamfered, polishedOscillating replica Rado R22352172 Ladie's watch weight Tungsten carbide with dimpled suce treated in black PVD Bottom plate Sand-blasted, rhodium-plated Barrel With reinforced springEscapement Glucydur balance spring Power Reserve 42 hoursStrap Adjustable natural smooth black rubber with Hublot logo.