Omega Seamaster Aqua Terra 150 M Master Co-Axial 188.8.131.52.01.003. Self-winding co-axial chronometer movement Omega caliber 8500. 41.5mm case which is water resistant to 150 meters. Sun-brushed and lacqured black dial decorated with the Teak Concept pattern with applied luminous hour markers and date a 3 position. Power reserve 60 hours. Steel bracelet with double folding clasp. Sapphire crystal case back. Box and Papers dated March 2017.