Omega De Ville Tresor Omega Co-Axial Master Chronometer - 40 mm Steel Case - Opaline Silvery Dial - Black Leather Strap - 435.13.40.21.02.001 NewListingsALangeSohne unidirectional rotatable 18K yellow gold

unidirectional rotatable 18K yellow gold bezel with blue Cerachrom insert and gold coated numerals and graduations

embodies both strength and elegance

and the artistry of horology

Omega 3203 manual-winding movement with column wheel mechanism and co-axial escapement

MFG Reference # 01 733 7720 4057-07 5 21 02

Omega De Ville Tresor Omega Co-Axial Master Chronometer - 40 mm Steel Case - Opaline Silvery Dial - Black Leather Strap - 435.13.40.21.02.001 NewListingsALangeSohne unidirectional rotatable 18K yellow gold40 mm steel case with anti magnetic protection, transparent back, scratch resistant sapphire crystal with anti reflective treatment on both sides, domed opaline silvery 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, black leather strap. Water resistant to 30 metres (100 feet).