All parts IWC Omega Longines Other Omega winding stem Cal. 260, 280, 30T2… DCN number: 1729 Movado balance staff Cal. 473, 475, 477, 478 Ronda No.: 1756 Coming soon Coming soon Omega winding stem Cal. 260, 280, 30T2… DCN number: 1729 Coming soon Coming soon Movado balance staff Cal. 473, 475, 477, 478 Ronda Nr.: 1756