Original/Authentic Tag Heuer Aqua Racer Calibre S Regatta semi-automatic. Purchased from Dubai. Original price is 8,000AED. 

• TAG Heuer Calibre S Electro-Mechanical movement, a Swiss hybrid-quartz automatic that combines mechanical parts with quartz precision
• Scratch-resistant sapphire crystal; Luminescent hands and markers
• Solid 42-mm stainless-steel case with diving-bell decorated screw-down caseback; Triple-link combination satin finish and polished finish stainless-steel bracelet with diving extension
• Three Function Modes: "Hour", "Chrono", and "Regatta"; Chronograph function to 1/10th of a second precision; Elapsed time function; Retrograde date with perpetual calendar; Countdown Regatta timer
• Water resistant to 990 feet (300 M):suitable for scuba diving to a depth of 30 meters for up to 2 hours