Omega De Ville Tresor Watch, 40mm Blue Dial, 435.13.40.21.03.002Characterised by its thin and elegant case, the Trsor line was first launched by OMEGA in 1949 and housed the legendary 30mm calibre. More than half a century later, it continues to impress with one of todays most advanced mechanical movements. This model has a polished 40 mm stainless steel case, which is presented on a blue leather strap. The domed blue dial includes a Small Seconds display at 6H, along with hands and domed indexes in 18K white gold.