Help needed: UN Monopusher LE engraving

Sep 09, 2020,18:06 PM

Wish everyone a good day. Could anyone advice me on a matter a friend of mine needs help in. He is a watch blogger on Instagram, who like collecting pulsometers.

On the LE UN monopusher, he saw 2 versions - one with the LE number engraved on the back, and one without. Do you know the possibilities of this? Here are some pictures he provided me:

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 By: Cookies : September 10th, 2020-01:39
I thought it looked strange without the engraving of the LE number.

Your thoughts

 By: Cookies : September 10th, 2020-01:40
Do you think it was a replacement caseback or from another model?

Good point

 By: Uncle Chico : September 10th, 2020-04:16
The engraved case back appears rather scratched in the photo. How that would happen when flat against a wrist is hard to imagine.

Why didn't I think of that.

 By: Cookies : September 10th, 2020-10:04
Yes it is the most likely reason. I will check with my friend. Thanks

Thanks Blansky

 By: Cookies : September 10th, 2020-12:12
So we are zeroing in on the possibility of a photoshopped picture which removed the numbers. Thanks a lot.

I really like this first version with the solid back.

 By: Dave G : September 12th, 2020-23:46
I bought the later model 386-88 with the display back and multi-scale dial but I quite like the engraved (in relief) backs done by UN on a number of pieces at the time. Dave