IWC Aquatimer Chronograph IW371918 Tianium Mm 42 Black Dial Bracelet Automatic Full Set 2007. IWC Aquatimer chronograph ref IW371918. Titanium 42 mm case. Auto wind IWC calibre 79320 movement, with 44 hour power reserve. Black dial with black sub dials featuring Day-Date windows. Screw down crown. Water resistant to 100 meters. Uni-directional rotating bezel. Titanium bracelet with n. 18 links with push button clasp. Good condirion as pics - scratch as pics. Full set as pics - year 2007. N.B. : We point out that both the watch and the bracelet are made of titanium.