Omega Pre-owned Seamaster Planet Ocean Deep Black GMT Ceramic Automatic. Great Condition — Used: A good used condition with slight scratches and stains; before purchasing please refer to the images for exact condition and included accessories. Key attributes: Black | Ceramic | Automatic movement | GMT function | Rubber strap | Includes box | Automatic winding | Black dial | Ceramic case | Monochrome GMT styling | Dimensions & fit: Regular fit | Composition & care: Wipe with a soft cloth. Avoid strong impacts and exposure to chemicals. Have serviced by a professional watchmaker as needed.