131.28.36.20.63.001 Omega The Omega Constellation Co-Axial Master Chronometer 131.28.36.20.63.001 is a luxurious and stylish watch with a 36mm stainless steel case and a polished 18K Sedna™ gold bezel set with 38 diamonds. The crown is also made of 18K Sedna™ gold. The sun-brushed brown dial features diamond hour indexes, gold tone skeletonized hour hands, and a date window located at the 6 o'clock position. The Omega logo in Sedna™ gold is located below the 12 o'clock position. This watch is a self-winding mechanical watch with a power reserve of approximately 55 hours. It performs the functions of hours, minutes, seconds, and date. The watch has a transparent case back and is protected by sapphire crystal on both the front and back sides. The watch comes with a brown alligator leather strap and a folding buckle. It is water-resistant up to 50 meters. The Omega Constellation Co-Axial Master Chronometer 131.28.36.20.63.001 is a perfect choice for those who want to combine style and functionality.