The Omega Seamaster reference 210.30.42.20.03.003 features a 42mm stainless steel case with a blue ceramic bezel. It is powered by the automatic winding Omega caliber 8800, which includes a co-axial escapement for enhanced precision. This model, released in 2023, also offers a date function and is certified as a chronometer. The combination of materials and technology ensures durability and reliability for various underwater activities.