Omega, Constellation series, model: 123.25.27.20.57.001, complete set as shown in the picture, ladies' automatic mechanical wristwatch, with a diameter of 27mm, made of stainless steel and 18K red gold interlaced gold material, red gold diamond-encrusted bezel, brown mother-of-pearl diamond-encrusted dial, equipped with 8520 coaxial silicon hairspring movement, observatory certified, transparent back design, 50-hour power reserve Classic claw support logo.