The watch has been evaluated at the brand’s authorized service center, professionally polished, and restored to working condition; however, the original alligator strap and 18k buckle are missing and have been replaced with an aftermarket strap and buckle Characterised by its thin and classic gold case, the Trésor line was first launched by OMEGA in 1949 and housed the legendary 30mm calibre. More than half a century later, the De Ville Trésor has been reintroduced, equipped with one of the most advanced mechanical movements the brand has ever unveiled. This model has a silvery opaline dial with a domed vintage "clous de Paris" structure and a date window at 6 o'clock. 40 mm 18K yellow gold case. This De Ville Trésor is powered by the anti-magnetic OMEGA Master Co-Axial calibre 8511 - a unique manual winding movement.