Omega De Ville Co-Axial Chronograph Watch - 42 mm Red Gold Case - Blue Dial - Blue Leather Strap - 431.53.42.51.03.001 day-date caliber 3120 self-winding movement with

caliber 3120 self-winding movement with hours

engraved back

self-winding calibre 35110 movement with date display

Calibre Omega 2007 manual-winding movement

Omega De Ville Co-Axial Chronograph Watch - 42 mm Red Gold Case - Blue Dial - Blue Leather Strap - 431.53.42.51.03.001 day-date caliber 3120 self-winding movement with42 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.