With the launch of the new IWC Aquatimer Automatic Edition ''Expedition Jacques-Yves Cousteau'' (IW329005), IWC continues its series of special editions in honor of Jacques-Yves Cousteau, a French diving pioneer and oceangrapher. The watch has a case size of 42 millimetres, which makes it the smallest model in the IWC diver's watch family. Model: Aquatimer Automatic Reference: IW329005 Power reserve: 42h