Brand New-Unworn Omega De-Ville Annual Calendar Co-Axial 43110412201001. 41mm stainless steel case. Two- tone Black dial with Roman indexes and day-date windows at 3 o’clock position. OMEGA Co-Axial calibre 8601 chronometer movement. Annual calendar. Power reserve: 55 hours.Sapphire crystal glass and case back. Stainless steel bracelet with deployment clasp. Water resistant to 100 meters.