The latest Omega Butterfly series premium version is carefully designed for every president. It is comfortable to wear and the best gift. Buy with confidence. It uses the new imported 8215 movement (zero repair), size 39.5mm, material 316 stainless steel, mirror: sapphire forever No scratches, power reserve 48 hours, waterproof 100 meters, Italian calfskin with pin buckle. Factory quality! Welcome to reprint!