There is a wide range of Omega Seamaster models. This reference 166.110 has one of the most unusual and interesting cases of all.
The Omega 1002 movement is running well, the case shows only light signs of wear, the dial shows some light spots on it.
Movement Type: Automatic
Movement: Omega 1002
Complications: Hour, Minute, Second, Date
Material-Case: Stainless Steel