Rinse steaks well. Trim and cut into pieces. Heat oil and slightly saute steaks.
Place steaks, celery, garlic, and onions to crock pot. Mix water with vingar to make about 1 cup liquid. Pour over meat and vegetables. Cook on low about 4 hours.
Mix water and wine and add to pot, along with peppers and mushrooms. Grate some orange zest (about 2-3 tablespoons)into pot. Stir slightly. Cook about another hour or two, until meat is tender and falls apart.
Serve with rice, noodles, or just crusty bread and a salad.