I have a like new condition Rolex tridor. This is a classic collector item in mint condition N serial Rolex Daydate President Tridor in 18K gold ref. 18349. The watch has a has a factory 18k YG diamond bezel, three tone white/yellow green platinum gold factory bracelet and and factory gold dial with diamond markers.
I have the original box, bill of sale, and everything that came with it. This would be 45.000$ new.
You can take it to any of the well know jewellers in town to authenticate it.
It has just been serviced.