Omega Speedmaster Co-Axial Chronograph Watch (3188.8.131.52.99.001). Caliber 9300 Co-Axial Chronograph movement with central chronograph hand. Date window at 6 o`clock position, small 12 hour counter at 3 o`clock position and small seconds counter at 9 o`clock position. Grey Meteorite dial showcasing unique pattern and red Sedna gold index hour markers. Red Sedna gold bezel brushed with Ceragold tachymeter scale set on a 44.25 grey ceramic case. Sapphire crystal on top and exhibition case back. Water resistant to 50M. Grey leather strap with titanium folding buckle.