Hi Nicolas,
Thanks for the reply.
The problem is that the difference in lume is unlikely in a brand new (original) Polaris. For sure, hands and dials do have a tendency to fade or discolour in different manners, but not as presented on a new watch. Hence my comment re: patina. (It gets worse on some vintage/classic cars, where the patina is completely destroyed during restoration, only to be painstakingly 'reproduced' after completion. That's why I prefer the (overused) phrase Wabi Sabi...it has to be real)
In the course of your enquiries, is it possible to see if you can unearth any further information on the case construction? The external features of the case are, of course, faithful to the original.
But my real interest lies in how faithfully the watch replicates the EPSA cases, particularly the internal bezel Super Compressors which have an interesting (and frustrating, if you are trying to reassemble) construction whereby the bezel float is controlled by the lower flange of the crystal.
Also of interest is the layout of the pinion gear that drives the rack of the internal bezel.
And lastly, are you (or any of the other purists) aware of whether the bayonet style caseback is used on any of these EPSA style reissues - from JLC, Longines, etc?