Steel Belt Platinum Third Generation Butterfly Elegance Makes a Grand Debut .1. TW has recently launched the Omega Butterfly Series Elegant Small Seconds model, a brand new upgraded version with a 41mm case diameter, in sync with the official website.Inside, it houses the Omega 8802 Master Chronometer movement, visible through the sapphire crystal case back, showcasing precise movement and a power reserve of 55 hours.2. The case is made of 316L stainless steel with a curved sapphire glass, featuring anti-reflective treatment on the inside, and a dome-shaped dial adorned with irregularly arranged vertical textures.3. Italian cowhide paired with an original buckle, waterproof to a depth of 50 meters.