The Omega Trésor ref: 435.13.40.21.06.001 features a stainless steel case with a 40mm diameter. This model, released in 2021, is powered by the handwound Omega caliber 8926 and is certified as a chronometer. It incorporates a co-axial escapement for enhanced precision. The watch showcases a silver dial, providing a classic aesthetic that complements its technical specifications.