What is the active/passive of - You don't need to wind this watch.

What is the active/passive of - You don't need to wind this watch.
1). This watch need not be wound.
2). This watch does not wind.
3). This watch need not be wounded.
4). This watch need not be winded up.

Answers 2

Its tough but option 4 seems correct

4). This watch need not be winded up.