Grey titanium case with a black alligator outer / rubber inner strap, fixed grey titanium bezel, skeleton dial featuring silver-tone hands and index hour markers, minute markers on the outer rim (dial type analog), luminescent coating on hands and markers for optimal night-time legibility. Equipped with a chronograph function including two sub-dials: one displaying 60 seconds and another showing elapsed minutes up to 30 hours. Powered by Hublot Calibre HUB6310, hand-wound mechanical movement containing 27 jewels, comprising over 253 parts; operates at 21600 vph (beats per hour) with approximately an 115-hour power reserve. Protected by a scratch-resistant sapphire crystal lens. Features a deployment clasp secured by push-button release mechanism and comes with pull/push crown operation. The transparent skeleton exhibition case back allows viewing of the movement internals. Round case shape measuring 45 mm in diameter, water resistant to a depth of 30 meters (100 feet). Functions include: tourbillon complication, chronograph stopwatch, hour indication, minute indication, and second indication.