Merci mon ami!
Hope all is well in Paris. Best, Giles
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Hi Geross - not sure of the model ref, but....
... it runs a cal GP440-282 (based on AS1920) at 360000 and was the last of the GP high beats circa mid 70’s - as the little observatory picture provides testiment to the chronometer HF’s that went before. Case is approx 38mm sq, height 14mm and dial 34mm...