A gentleman's early 1970's steel Heuer Monaco Automatic Chronograph square cased wrist watch, on later associated leather strap, the brushed grey dial with two subsidiary dials at 3 & 9 o'clock and red sweep seconds, with date aperture at six o'clock, the winding crown on the left side inscribed Heuer, case back numbered C 7658-4, model no. 1133, serial number 249918, with two service receipts dated 2005 & 2017.