Omega Constellation Co-Axial Master Chronometer 41mm Mens 。ALL ORIGINAL SWISS MADE OMEGA CONSTELLATION stainless steel watch in great working order. Runs strong, no battery, automatic movement charges itself. Original Omega bracelet comfy fits up to 6.7” wrist, no extra links. Clean dial with date window( big plus!), scratch free crystal. Very good overall condition having in mind it is older preowned model. Checked, set and confirmed authentic by my long time professional watchmaker , no service requires at this time. Poshmark will authenticate it before shipping to buyer. No low offers, this is my only Omega Constellation automatic model. All sold. Great investment into this valuable Swiss made timepiece ???