OMEGA 435.53.40.21.06.001 Seamless Automatic Movement Elegant Stainless Steel Case Classic Chronograph DesignProduct Description The "Tresor" collection, characterized by its elegant slim case, was first introduced in 1949 and features the legendary 30mm caliber. Even after more than half a century, this caliber is recognized as one of the most advanced mechanical movements. This 40 mm case made of 18K Sedna gold comes with a grey leather strap. The dome shaped grey enamel dial is achieved through the Grand Feu enamel technique, featuring enamel printing and