Authentic Tissot Seastar 1000 Chronograph Black Dial Steel Men's Watch Model T120.417.11.051.01. Features stainless steel case, sapphire crystal glass with scratch resistance, folding clasp closure, screw-down crown, black dial with red accents and luminous markers, quartz movement powered by Caliber ETA G10.212, date display at the 4 to 5 o'clock position, chronograph functions including sub-dials for seconds, minutes, and hours (60-second, 30-minute, 12-hour), round case measuring 45.5mm in diameter and 12.8mm thick with solid back, water resistance up to 300 meters or 990 feet.