Compare two objects with reflection

public class Equatable
{
    public string field1;

    public override bool Equals(object obj)
    {
        if (ReferenceEquals(null, obj)) return false;
        if (ReferenceEquals(this, obj)) return true;

        var type = obj.GetType();
        if (GetType() != type)
            return false;

        var fields = type.GetFields(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public);
        foreach (var field in fields)
            if (field.GetValue(this) != field.GetValue(obj))
                return false;

        return true;
    }

    public override int GetHashCode()
    {
        var accumulator = 0;
        var fields = GetType().GetFields(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public);
        foreach (var field in fields)
            accumulator = unchecked ((accumulator * 937) ^ field.GetValue(this).GetHashCode());

        return accumulator;
    }
}