This is an authentic Omega wristwatch. The watch has been professionally serviced and comes with a two-year warranty along with the Omega box, papers, and an additional link.

Brand: Omega Seamaster Aqua Terra
Model Number: 2504.30.00
Year: 2008
Material: Stainless Steel
Movement: Automatic
Case: 36mm wide (not including the crown)
Band width: 18mm
Lug Width: 19mm
Inner Circumference (including the case and band): 7"
Closure Type: Fold-Over Clasp
Total Weight: 116.3 Grams
Stamps: Omega Seamaster Co-Axial Chronometer 150m/500ft, Swiss Made, Aqua Terra, Co-Axial Escapement
Features:
Date window
Luminous hands and hours
Tapered dashes marking the hours
Scratch-resistant sapphire crystal (anti-reflective treated interior)
Condition: Seller Refurbished
Condition Notes: Includes a Two-Year Warranty; The presentation box displays wear to the exterior from previous use.