Hublot Big Bang Chronograph Black Dial Mens Watch. Pre-owned example (Serial Number: 301.st.5020.gr). Stainless steel case, grey leather strap equipped with a deployment clasp. Fixed bezel ring. Black dial featuring silver-tone hour and minute hands plus luminous coated index hour markers including batons at the sixes; additional black minute markers around outer rim. Date display located between 4 and 5 o'clock positions. Chronograph functions: Start/Stop button, Middle chronograph moment hand, 12-hour flying arc-cathedral sub-dial, 30-minute chronometer sub-dial (red or white tipped sweep second hand), black tachymeter scale over outer bezel measuring seconds from the start position and a minute track around its circumference, black telemeter inner dial. Automatic mechanical movement with hacking seconds when held in position. Scratch resistant sapphire crystal glass front. Functions: Hours, Minutes, Seconds (via central sweep second hand and chronograph), Date display. Case diameter measures 44.5 mm and thickness is 14.5 mm. Water resistant up to 100 meters/330 feet.