Omega De Ville Co-Axial Chronograph Watch - 42 mm Red Gold Case - Blue Dial - Blue Leather Strap - 431.53.42.51.03.00142 mm 18K red gold case, transparent back, 18K red gold bezel, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, blue dial with roman numeral hour indexes, date window at 6 oclock, calibre 9301 self winding movement with column wheel mechanism and co axial escapement for greater precision stability and durability, approximately 60 hours of power reserve, blue leather strap. Water resistant to 10 bar.