Brand new authentic Omega Seamaster Bullhead Co-Axial Chronograph model 225.12.43.50.02.001, also known by numbers 225-12-43-50-02-001 and O22512435002001. Features include stainless steel case with black calfskin leather strap equipped with a push-button foldover clasp. Silver dial, automatic chronometer movement that is co-axial, screw-down crown, scratch-resistant sapphire crystal. Comes complete with solid case back and bi-directional rotating bezel. Rated for 150 meters or 500 feet water resistance making it suitable for swimming activities. Includes the original Omega WatchMaxx 5-year warranty.