Omega Pre-owned Seamaster Aquaterra 231.10.39.21.57.001 pairs refined styling with precision performance. Condition: Excellent. In great condition with minor signs of wear, as scratches see photos for reference. Has just been checked and serviced. Key attributes: Blue | Stainless steel | Water resistant to 150 m | Master Co‑Axial Chronometer precision | Automatic (self-winding) movement | Adjustable stainless steel bracelet | Includes extra links | Comes with box, certificate and book | Blue mother-of-pearl dial | Diamond hour markers | Sapphire crystal | Dimensions & fit: Fits wrist circumference up to 20 cm; 4 extra links included | Adjustable bracelet for a customised fit | Composition & care: Stainless steel | Sapphire crystal | Mother-of-pearl dial | Diamonds | Wipe with a soft cloth; avoid strong magnetic fields and harsh chemicals; service regularly by a certified watchmaker.