Omega Seamaster Aqua Terra 150M 30 mm, steel - Moonshine™ gold on steel 220.25.30.20.55.001The Seamaster Aqua Terra is a superb tribute to OMEGAs rich maritime heritage. This slim 30 mm model achieves its refined proportions through OMEGA's innovative Co Axial Master Chronometer calibre 8750, certified at the industry's highest standard by the Swiss Federal Institute of Metrology (METAS). This 30 mm stainless steel and 18K Moonshine Gold model has a symmetrical polished case and features a polished bezel set with 46 diamonds and a screw in