Steel IWC Aquatimer Chronograph IW3768-02. 44mm case diameter, water resistant to 300 meters. Automatic Chronograph movement, Silver dial with uni-directional bezel. Applied luminescent index hour markers and Luminescent hands. Chronograph function (silver sub-dials): Large central seconds counter hand; 30 minute counter at the 12 o’clock position; 12 hour counter at the 6 o’clock position; Small seconds sub-dial located at the 9 o’clock position. Day & Date windows located at the 3 o’clock position. Sapphire crystal glass. Bracelet fitted with a quick-change system featuring a spring loaded lever located on the ends of the bracelet allowing easy removing/replacing. Steel Bracelet with folding clasp. Box and Papers dated July 2014. Our Reference S18433.