====== Omega De Ville Co-Axial Chronometer ====== {{wst>image_cr|Omega|De Ville Co-Axial Chronometer Rotgold|Omega De Ville Co-Axial Chronometer Red Gold}} {{wst>image_cr|Omega|De Ville Co-Axial Chronometer Midsize Stahl|Omega De Ville Co-Axial Chronometer Midsize Steel}} **De Ville Co-Axial Chronometer** is a wristwatch series by [[Omega]]. In [[1999]] Omega unveiled, as part of the elegant men's watches series [[Omega De Ville|De Ville]], the new [[co-axial escapement]] which was invented by [[George Daniels]] and had been taken to series production by Omega. Since then, several models of the series and by and by also the Sports models have increasingly been equipped with this [[escapement]]. **Reference:** * 4531.31.00 stainless steel, [[stainless steel]] bracelet * 4658.30.32 [[red gold]], 44 mm * 4831.31.32 [[stainless steel]] * 4660.20.32 [[red gold]], 44 mm, Arabic numerals * 4654.20.32 Rotgold * 4631.31.31 [[yellow gold]] * 4661.20.32 [[red gold]], Midsize, leather strap * 4861.31.32 stainless steel, Midsize, leather strap * 4561.31.00 stainless steel, Midsize, [[stainless steel]] bracelet **Movement:** * [[Self-winding]] movement [[Omega 2500]] with [[co-axial escapement]], 28,800 A/h * 44-mm version [[Omega 2403]] * Certified [[chronometer]] ([[COSC]]) * [[Rhodinated]] movement * Power reserve 48 hours **Case:** * [[Stainless steel]] / [[yellow gold]] / [[red gold]] * D 37.5 mm (midsize 35 mm, large 44 mm), H ca. 11 mm * [[Domed]] [[sapphire crystal]] * [[Waterproof]] to 100 m **Dial:** * White * Hours, minutes, [[central seconds]], date **Bracelet:** * Reptile leather with [[folding clasp]] or [[stainless steel]] or gold bracelet ===== Literature ===== * Omega-Uhren. Kaleidoskop einer bekannten Swiss Marke; Author Anton Kreuzer; ISBN 3853783546 * Omega-Modelle; Author Anton Kreuzer; ISBN 3853784186 * [[Das ZEITGEFÜHL-Uhrenbuch]]; Author [[Gerd-Lothar Reschke]]; ISBN 3-938607-61-0 {{tag>Watch_models Omega_models}}