a pre-owned men's automatic chronometer watch from the Omega Constellation collection, reference number 123.20.38.21.03.001; features a silver-tone stainless steel case with an additional fixed 18kt rose gold bezel, blue carbon fiber dial equipped with luminous rose gold-tone hands and index hour markers including minute markers around the outer rim for precise time reading, analog dial type displaying hours, minutes, seconds along with date at the three o'clock position; powered by the Omega Calibre 8500 automatic movement boasting a chronometer certification and offering a power reserve of approximately sixty hours, protected by a scratch-resistant sapphire crystal lens ensuring clarity, equipped with a pull/push crown for setting adjustments, standard deployment clasp closure, transparent case back allowing visibility into the mechanism; round shape measuring 38 mm in diameter and typically around 12 mm thick, band width is twenty-five millimeters matching typical specifications, water resistant to depths of one hundred meters or three hundred thirty feet
