A brand new authentic men's Omega Constellation Co-Axial Master Chronometer watch, featuring a grey dial with blue hands and Roman numeral index hour markers including minute markers on the outer rim, powered by an automatic chronometer movement (Omega Calibre 8800), equipped with a date function, scratch-resistant sapphire crystal, stainless steel case in round shape measuring 39mm, fitted with a tang clasp and a blue leather strap having rubber lining. The watch has a transparent case back, is water resistant to 50 meters (165 feet) or approximately 20 ATM, comes with a 5-year WatchMaxx warranty, and the model number SKU is also listed as 13113392006002.