Silver-tone stainless steel case, fixed silver-tone stainless steel bezel accented by an 18kt rose gold rim. Grey dial features luminous silver-tone hands and index hour markers; minute markers are present on the outer track. Luminescent coating allows for easy reading in low light conditions. Date display appears at the six o'clock position. Chronograph functions include three sub-dials: one measuring seconds, another minutes, and a third hours elapsed time. Equipped with an Omega Calibre 3330 automatic movement (based on ETA Valjoux 7753), this watch contains 31 jewels operates at 28800 vph beats per hour offers approximately 52 hours of power reserve and is certified chronometer accurate. Scratch resistant sapphire crystal protects the dial. The design includes a pull/push crown for setting functions and sub-dials, along with solid case back (case shape: cushion). Case dimensions are 46.2 mm x 42.4 mm, thickness 15 mm. Band is silver-tone stainless steel combined with an 18kt rose gold bracelet measuring 20 mm width secured by a deployment clasp. The watch has tachymeter markers for speed measurement and is water resistant to 100 meters / 330 feet.
![Omega Constellation Automatic Chronometer Diamond Grey Dial Ladies Watch [131.15.29.20.56]](https://cdn.lepodium.net/images/000/085/85042-2.jpg)
