432.53.40.21.03.001Ref

First introduced in 1949 with the legendary 30mm calibre, the Trésor line is known for its thin, classic gold case. Reintroduced with one of Omega's most advanced mechanical movements, this particular model features a domed blue enamel dial and a date window at 6 o'clock. Its 40mm 18K white gold case is paired with a blue leather strap and an 18K white gold buckle, powered by the anti-magnetic Master Co-Axial calibre 8511 manual winding movement, limited to 88 pieces.