The third generation of butterfly flying between white steel and gold makes its grand debut. 1TW is the latest launch of the Omega butterfly flying series, elegant small second hand model, fully automatic mechanical men's steel belt style, a new upgraded version of 41 diameter, synchronized official website. Internally equipped with Omega 8802 Master Chronometer movement through Sapphire glass case back, the operation of the movement is clearly visible, accurate travel time, power reserve 55 hours 2 Case material 316L stainless steel, arched sapphire glass, anti-reflective treatment inside, arched dial, printed with irregularly arranged vertical textures . 3 Italian cowhide with original buckle steel strap perfectly matches the lugs, waterproof to 50 meters.