If you're talking about the case-back,some 6119s open thru the glass..It states so clearly on the caseback..
If you already realised this and are asking how to get the glass off, either a crystal removing tool or pry gently around the edge of the crystal ring.
Anil
If you already realised this and are asking how to get the glass off, either a crystal removing tool or pry gently around the edge of the crystal ring.
Anil