Core, peel and quarter apples.
Combine wine and sugar in crock pot; stir well.
Add apple quarters.
Stir well to coat apples with wine mixture.
Add nutmeg and lemon slices.
Cover and cook on low setting for 8 to 12 hours (on high setting for 2 to 3 hours).
Transfer apples and liquid to a refrigerator container and chill well.