Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 38 mm Steel Case - Black Dial - Black Structured Rubber Strap - 220.12.38.20.01.001 188 Roman numerals with diamond set

Roman numerals with diamond set 6 and 9

manual winding caliber Cartier 430MC movement

exterior rail-track

this timepiece houses a 40mm case featuring the signature fixed fluted bezel that characterizes Rolex's esteemed President collection

9mm platinum case

Omega Aqua Terra 150M Co-Axial Master Chronometer Watch - 38 mm Steel Case - Black Dial - Black Structured Rubber Strap - 220.12.38.20.01.001 188 Roman numerals with diamond set38 mm stainless steel case, transparent back, screw in crown, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, black dial with a horizontal teak pattern, caliber 8800 self winding Co Axial master chronometer movement with date function, approximately 55 hours of power reserve, black structured rubber strap with grey lining. Water resistant to 150 m (500 ft).