Omega Speedmaster Racing Co-Axial Master Chronograph Watch - 44.25 mm Steel Case - Black Ceramic Bezel - White Dial - Black Leather Strap - 329.33.44.51.04.001 Varnished 5 mm 18K Sedna gold

5 mm 18K Sedna gold case with anti-magnetic properties and helium escape valve

31mm yellow Rolesor case comprised of Oystersteel and 18K yellow gold

28mm white Rolesor case comprised of a 904L steel monobloc middle case

Brand- Hamilton Model- Aviation X-Wind

18K yellow gold unidirectional rotating bezel

Omega Speedmaster Racing Co-Axial Master Chronograph Watch - 44.25 mm Steel Case - Black Ceramic Bezel - White Dial - Black Leather Strap - 329.33.44.51.04.001 Varnished 5 mm 18K Sedna gold44. 25 mm stainless steel case with antimagnetic design, transparent back, black ceramic bezel with tachymeter scale in white enamel, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, white dial with racing style minute track, caliber 9900 self winding Co Axial master chronometer movement with chronograph and date functions, approximately 60 hours of power reserve, black leather strap. Water resistant to 50 m (167