Omega Seamaster Aqua Terra 150 M Co-Axial GMT Chronograph 43 mm Watch - 43 mm Steel Case - Grey Dial - 231.10.43.52.06.00143 mm stainless steel case, transparent back, screw in crown, domed scratch resistant sapphire crystal with anti reflective treatment both sides, grey dial with teak concept pattern and white lacquered sub dials, Omega 9605 movement with Co Axial Escapement, GMT second time zone function, chronograph, date, and small seconds, approximately 60 hours of power reserve, stainless steel bracelet. Water resistant to 150 m.