Steel Band Platinum Third Generation Butterfly Elegance Makes a Grand Debut .1. TW has recently launched the Omega Butterfly series with an elegant small seconds model, a brand new upgraded version with a 41mm case diameter, in sync with the official website.The watch is equipped with the Omega 8802 Master Chronometer movement, visible through the sapphire crystal case back, showcasing its precise operation and a power reserve of 55 hours.2. The case material is 316L stainless steel with a curved sapphire glass, featuring anti-reflective treatment on the interior. The arched dial is adorned with irregularly arranged vertical textures.3. Italian cowhide leather paired with an original buckle, waterproof up to a depth of 50 meters.