Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 41 mm Steel Case - Grey Dial - Blue Structured Rubber Strap - 220.12.41.21.06.001 Special 28 mm 18K yellow gold

28 mm 18K yellow gold case

concealed folding Oysterclasp buckle

white opaline-silvery dial with silk-like pattern and diamond indexes

silver dial with Roman numerals and 8 diamond hour markers

Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 41 mm Steel Case - Grey Dial - Blue Structured Rubber Strap - 220.12.41.21.06.001 Special 28 mm 18K yellow gold41 mm stainless steel case, transparent back, screw in crown, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, grey 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).