New - the watch is new, never dressed. Brand new watches, usually received as a gift and, due to personal circumstances, put up for sale. The mechanism has been tested.
Like new - the watch is practically new, not polished. Looks like a brand new watch. Some nuances invisible to the naked eye are allowed. Collector's watches are often in this state, for which the absence of re-polishing matters. Belt replacement is possible. The mechanism has been tested.
Very Good - the watch was polished. The watch looks brand new. Polished in the best watch shops. Replacing the belt. The mechanism has been tested.
a good - the watch was not polished. There may be nuances visible to the naked eye. Belt replacement is possible. The mechanism has been tested.