I've been looking for a Cosmonaute 1809 for a while and recently found this one. I think it's an early 1969/70 going by the black date and serial number 134XXXX
It came with box and papers and what looks like the original strap which is very worn so I've fitted a new one. It has the hatched out model number and restamped 1809 that I've seen before. It was confirmed on the forum that the rumour is Breitling ran out of casebacks so made do with what they had!
It's keeping good time so far
One question I have for the experts is about the crystal which is taller than on my 1806/1808. I had a search online and found some other 1809 with similar taller crystal. Did the 1809 come with a different crystal than the 1806/1808 or did they all vary according to year or supply?
Any other info about these watches very gratefully received.
Thanks
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