I searched the 5000.21 and that is the reference number. You will find a bit of them on the net but not with the black dial. Looks great - congrats! The other number should be serial number. I am no expert here but have learned the basics. If you had the watch opened, did you take a picture of the m...

Not the best of pic but here it is..
I appreciate your help.
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Merry Christmas ! I recently picked up an 18K LeCoultre that I am having difficulty finding information on. It is an early Bumper automatic with 476/2 movement. Luckily in this forum I found the thread below (Early bumper automatic) with the pictures nearly identical except that mine also has "Autom...