Omega Pre-owned Seamaster Aquaterra 231.10.39.21.57.001 blends refined styling with reliable performance, highlighted by its mother-of-pearl dial and diamond hour markers. Condition: Excellent. In great condition with minor signs of wear (scratches — see photos). Has just been checked and serviced. Key attributes: Blue | Silver | Stainless steel | Water resistant to 150 m | Master Co‑Axial Chronometer | Automatic movement | Sapphire crystal | Adjustable stainless steel bracelet with extra links | Includes box, certificate, book and extra links | Mother-of-pearl dial | Diamond hour markers | Round case | Dimensions & fit: Adjustable fit | Composition & care: Stainless steel | Sapphire crystal | Mother-of-pearl | Diamond | Wipe with a soft cloth. Have movement serviced periodically. Verify water resistance before swimming.