Omega Pre-owned Seamaster Aquaterra with a black mother-of-pearl dial and diamond hour markers, Master Co-Axial Chronometer movement and 150 m water resistance. Condition: Excellent — in great condition with minor signs of wear (scratches; see photos). Has just been checked and serviced. Key attributes: Black | Silver | Stainless steel | Water resistant to 150 m | Master Co-Axial Chronometer | Adjustable bracelet with extra links | Automatic movement | Black mother-of-pearl dial | Diamond hour markers | Sapphire crystal | 37 mm case diameter | Stainless steel bracelet | Dimensions & fit: Adjustable fit with removable links | Approx. max circumference: 20 cm + 4 extra links | Composition & care: Stainless steel | Sapphire crystal | Mother-of-pearl | Diamonds | Wipe with a soft cloth. Service movement periodically. Check water resistance regularly. Avoid strong magnetic fields and harsh impacts.