You don’t need to wind this watch. (change the voice)

This watch need not be wound

This watch does not wind

This watch need not be wounded

This watch need not be winded up

None of these

The sentence is in Simple Present Tense. (Active)
This watch need not be wound. (Passive)
winded means being out of breath. (Past Tense of wind)
wound means made a clock work by turning a knob, handle, etc. several times. (Past Tense of wind)