Omega De Ville Tresor Omega Co-Axial Master Chronometer - 40 mm Steel Case - Diamond Bezel - Blue Patterned Dial - Blue Leather Strap - 435.18.40.21.03.001 41.5 index hour markers with Chromalight

index hour markers with Chromalight appliques

Calibre Omega 8800 self-winding co-axial master chronometer movement with date

0 rust and works really well and smooth within modern COSC timeframe

Within ticks the 4131 manufacture Rolex perpetual movement—a mechanical chronograph

blue concentric circle dial

Omega De Ville Tresor Omega Co-Axial Master Chronometer - 40 mm Steel Case - Diamond Bezel - Blue Patterned Dial - Blue Leather Strap - 435.18.40.21.03.001 41.5 index hour markers with Chromalight40 mm steel case with anti magnetic protection, transparent back, diamond paved bezel, scratch resistant sapphire crystal with anti reflective treatment on both sides, domed blue patterned dial with a date window at 6 oclock as well as hands and indexes in 18K white gold, Calibre Omega 8910 manual winding co axial master chronometer movement with date, approximately 72 hours of power reserve, blue leather strap. Water resistant to 30 metres (100 feet).