Seamaster Planet Ocean 600M GMT

Up for sale is an incredible, pre-owned Omega Seamaster Planet Ocean 600M Co-Axial Master Chronometer GMT 43.5mm (Ref. 215.30.44.22.01.001), affectionately known among collectors as the "Oreo" or "Tai Chi."Featuring Omega’s world-first bi-directional black and white bi-ceramic bezel ($ZrO_2$) and a glossy black ceramic dial, this piece seamlessly combines true 600-meter dive capabilities with dual-time zone travel tracking.