IWC Ingenieur IW3521-01 Chronometer Mens Watch. 34mm stainless steel case with smooth bezel. White dial with luminous gold hands and index markers. Date display at the 3 o'clock position. Minute markers around the outer dial stainless steel bracelet with fold over safety clasp. Will fit up to a 6.75-inch wrist. Calibre 8872 automatic self-winding movement with a 40-hour power reserve. Based of-of the Jaeger-LeCoultre caliber 889/2 movement.