Hublot Spirit of Big Bang 641.OX.7180.LR - King Gold Tonneau Chronograph Automatic Mens Watch

18kt king gold case with blue alligator leather strap and fixed solid 18kt king gold bezel. Silver skeleton dial features luminous rose gold-tone hour and minute hands along with index markers, including outer minute track around the rim for analog display. Includes luminescent coating on dials elements for enhanced legibility in low light conditions. Date function located between the 4 and 5 o'clock positions. Chronograph complication includes three sub-dials displaying elapsed seconds (60 sec), minutes (30 min) and hours (12 hr). Powerered by Hublot Calibre HUB4700 automatic movement, containing 31 jewels composed of 278 parts with a frequency rating at 36000 vph & approximate power reserve duration of 50 hours. Scratch resistant sapphire crystal provides high durability for the transparent top surface. Pull-push type (or push/pull) crown allows time setting and chronograph operation. Transparent case back enables view into the mechanical movement inside. Tonneau shaped case measures approximately 42mm in width and 51mm in height (at its widest point). Equipped with a deployment clasp as closure system for easy adjustment on wrist. Water resistant up to depths of 100 meters or equivalently 330 feet, suitable for general water activities but not professional diving without further seals against moisture ingress required by user specifications.