This watch includes a brushed titanium case with fine polished bevelled corners. A titanium bezel, secured by 6 H style titanium screws. Case center (edge) lateral black composite resin inserts. Titanium crown with black rubber grip. Titanium round shaped chrono buttons. Sapphire crystal transparent dial with blue accents. Applied brushed finished “Applique” hour markers with luminous fill. Blue dial flange with printed minute/seconds track & printed 5 seconds increments in Arabic numerals. Bold brushed minute & hour hands with luminous filled tops & skeletonized bottoms. Chronograph/Stopwatch functions: Column wheel chronograph, Features a “Flyback” function, which allows instant restarting of the chronograph with a single push of the button instead of the need to stop, reset & then restart the stop-watch, Large central seconds counter, and 60 minute counter sub-dial located at the 3 o’clock position. Date window with white background located at the 3 o’clock position. Small continuous running seconds hand sub-dial located at the 9 o’clock position. Straps are easily interchangeable via a unique quick-release push-button system developed by Hublot. The buttons are located on the top & bottom central lugs (this watch is delivered with a single strap only). Hublot in-house manufacture Caliber UNICO HUB1242: Microblasted anthracite ruthenium plated mainplate & bridges, Tungsten rotor with microblasted, anthracite & ruthenium treated finishes, Beats at 28,800 vph, Composed out of 330 components, Contains 38 Jewels, and has an approximate power reserve of 72 hours.