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Debuting in late 2018, this Omega Constellation Manhattan Co-Axial Master Chronometer features a 29mm stainless steel and 18K Sedna gold case. The Aventurine dial includes diamond hour markers, a date window at 6 o'clock, and displays hours, minutes, and seconds. It is driven by the METAS-certified self-winding calibre 8700, offering a 50-hour power reserve, magnetic resistance up to 15,000 gauss, and a transparent case back, all finished with a matching steel and 18K Sedna gold bracelet.