188.8.131.52.57.002 Omega This watch has 27 mm 18K Yellow gold case. Diamonds bezel. Champagne mother-of-pearl dial decorated with wavy pattern and 11 diamonds indexes. 18K Yellow Gold bracelet. Automatic movement. Functions: date, hours, minutes, seconds. Water resistance up to 100 m./330 ft. 184.108.40.206.57.002 Omega 18K Yellow Gold & Diamonds watch.