131.13.34.20.02.001 Omega The Omega Constellation Co-Axial Master Chronometer 131.13.34.20.02.001 is a stylish and functional watch with a 34 mm stainless steel case and a fixed bezel with engraved Roman numerals. The crown is also made of stainless steel for durability. The watch has a crystal white silvery dial with silver tone polished hour facetted indexes and silver tone hour hands with luminescent coating, making it easy to read the time even in low light conditions. The watch performs several functions, including displaying the hours, minutes, small seconds, and date. The date window is located at the 6 o'clock position, while the sub-dial is responsible for indicating the small second at the same position. The Omega logo in silver tone is located below the 12 o'clock position, adding a touch of elegance to the watch. The self-winding mechanical movement of the watch is powered by a Calibre 8802, with a power reserve of approximately 55 hours. The case thickness is 11.7 mm, and the case back is transparent, allowing you to see the intricate details of the movement. The front and back sides of the watch are protected by sapphire crystal, ensuring durability and scratch resistance. The watch comes with a grey alligator leather strap with a steel folding buckle, which is comfortable to wear and secure. The water resistance of the watch is up to 50 meters, making it suitable for swimming and snorkeling but not for diving. Overall, the Omega Constellation Co-Axial Master Chronometer 131.13.34.20.02.001 is an excellent choice for those looking for a stylish and functional watch that can be worn for various occasions.