Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 38 mm Steel Case - Silvery Dial - Grey Leather Strap - 220.13.38.20.02.001 steel-and-yellow-gold apart from the 12 which

apart from the 12 which is picked out in bold red

interchangeable steel bracelet

28 mm stainless steel and 18K yellow gold case

mother-of-pearl dial

coral red dial

Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 38 mm Steel Case - Silvery Dial - Grey Leather Strap - 220.13.38.20.02.001 steel-and-yellow-gold apart from the 12 which38 mm stainless steel case, transparent back, screw in crown, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, silvery dial with a horizontal teak pattern, caliber 8800 self winding Co Axial master chronometer movement with date function, approximately 55 hours of power reserve, grey leather strap. Water resistant to 150 m (500 ft).