Authentic Omega Constellation Manhattan Quartz watch model number 131.15.25.60.52.001. Features a stainless steel case and a brushed/polished stainless steel bracelet band in silver finish. Equipped with deployment buckle clasp for secure fastening, fixed bezel design. Silver dial features diamond hour markers and classic silver tone hands. Powered by Omega Caliber 4061 automatic movement engine. Includes round 25mm solid case back, scratch resistant sapphire crystal glass, standard hour and minute functions, water resistance up to 30 meters or approximately 100 feet.