Case material: Titanium; Charge: Automatic; Conditions: Never worn Presentation condition : With dealer guarantee ; Model: Ingenieur Price on request Gmtbroker Reference: iw379201 IWC iw379201 Complete Details: Brushed finished titanium aluminide (a special alloy that is harder and lighter than pure titanium) case with polished finished beveled corners. Brushed finished titanium aluminide bezel secured by 5 black ceramic headed screws. The crown, crown protectors & 3 chronograph buttons are black rubber coated. Multi-tiered black dial: Solid matte black main dial. Semi transparent darkened translucent sub-dial through which the perpetual calendar discs are visible. Applied blackened steel index hour markers with white painted fill. White printed minute/seconds track on main dial perimeter. White printed 5 minute/seconds incremental Arabic Numeral markings on a raised silver flange at the dial perimeter. Blackened steel hour & minute hands, partially skeletonized, with luminous fill. Small running seconds hand in the sub-dial at the 9 o'clock position. Perpetual Calendar Complication: Bold date window display located at the 9 o'clock position. Bold month window display located at the 3 o'clock position. Leap year counter at the 6 o'clock position (at the bottom of the seconds sub-dial) Chronograph/Stopwatch function: Features a "Flyback" function which allows instant restarting of the chronograph with a single push of the button rather than the need to stop, reset & then start the stop-wa