Butterfly Fly upgraded multifunctional model uses the multifunctional 3836 movement, ensuring quality. The side of the case features exquisite brushed craftsmanship. It has been widely imitated, so please recognize the movement in the picture. Classic upgrade, elegantly popular Omega men's watch. Fully automatic mechanical movement, mineral reinforced glass, 316L stainless steel with a fashionable design, suitable for business and leisure. Dimensions: diameter 40mm, thickness 12mm. Outstanding product.