Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 41 mm Steel Case - Blue Dial - Blue Structured Rubber Strap - 220.12.41.21.03.001 drive-de-cartier caliber 1904-AU MC automatic winding

caliber 1904-AU MC automatic winding movement

moon phases and 24-hour indicators

silver satin-finish dial with sunray-effect

slate grey movement

caliber 9613 MC manual movement

Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 41 mm Steel Case - Blue Dial - Blue Structured Rubber Strap - 220.12.41.21.03.001 drive-de-cartier caliber 1904-AU MC automatic winding41 mm stainless steel case, transparent back, screw in crown, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, sun brushed blue dial with a horizontal teak pattern, caliber 8900 self winding Co Axial master chronometer movement with date function, approximately 60 hours of power reserve, blue structured rubber strap with grey lining. Water resistant to 150 m (500 ft).