The Omega Seamaster reference 215.30.40.20.03.002 features a 40mm stainless steel case with a blue ceramic bezel. This model, released in 2023, is powered by the automatic winding Omega caliber 8800. It includes a date function and is certified as a chronometer, utilizing a co-axial escapement for enhanced precision. The watch combines modern materials with Omega's established technology, making it a reliable choice for both everyday wear and aquatic adventures.