The present invention relates to a glazed element with improved water tightness comprising a fixed frame, at least one gasket Ga and at least one frameless inwardly openable casement wherein the casement comprises a multiple glazing comprising in external position a glass pane including at least one thermally treated glass sheet, the glass pane has an overall bow on at least its bottom edge of at most 3.0 mm/m and the gasket Ga is such that it is in continuous contact with the fixed frame and with at least the bottom edge of the glass pane, when the glazed element is in closed position.