The Gucci G-Flat YA166506 is a 30mm stainless steel watch featuring an octagonal case with an 18K gold-plated bezel and screws. It has a silver galvanized dial with Roman numerals at 12 and 6 o'clock, and a date display at 3 o'clock. The watch is powered by a quartz movement and is water-resistant up to 50 meters. Reference number: YA166506.