3188.8.131.52.02.001 Omega This watch has 38 mm Stainless steel & 18K Yellow gold case. Dual bezel design, the inner section of the bezel features a tachymeter scale on a green aluminium ring while the outside is diamond-paved. Silver dial. Green leather strap. Automatic movement. Functions: chronograph, date, hours, minutes, seconds. Water resistance up to 100 m./330 ft. 3184.108.40.206.02.001 Omega Stainless Steel & 18K Yellow Gold & Diamonds watch.