Pink gold 750 and ceramics. Ref. 26400. Large, heavy case no. H52261-0807 with screw-down exhibition back and ceramic bezel. Black chronograph dial with silver minute, hour and second sub-dials, date at 3h. In-house, automatic chronograph movement no. 829649, cal. 3126/3840. Caoutchouc band with AP tang buckle in gold. D 45 mm. With box, outer card box, warranty certificate, and instructions.