Rolex Datejust Thunder Bird 100% authentic Model 1625 Very rare has Swiss Made and tSwisst on the dial. 

1.2million serial 

Please note this auction is for the head only.  The watch is running however it appears that the date is not changing.  Thus the watch is being sold as is for repair or parts. 

*Please note I am not affiliated with Rolex just a collector. Returns are not accepted and international bidders please contact us prior to bidding.  Good luck and feel free to reach out with any questions.