Hi I also have model 811, I restrung the rigging with some round elastic cord. I also found a picture of the correct way to rig it, the picture is correct because I remember cleaning the clock when I was young.
http://www.jitterbuzz.com/furn/ship_clock.jpg
Sean
Model #811 Sailboat clock by: Anonymous
I have a model 811 sailboat clock that is in almost mint condition and I was just wondering how much it is worth.