SteveG
1529
Thanks, 2 of the watches are mine,
but the other 2 were present for a get-together at RGM Watches in Lancaster, Pennsylvania.
My pair does present an interesting contrast, The Longines 990/Lemania 8815 is indeed a very well-regarded movement combining
reasonable durability, extended power reserve, excellent isochronism, notable thinness, and pleasant aesthetics.
The RGM presents the basic historical layout:

while the Halter has significantly revised the bridges (also of course with the transparent rotor):

It is correct...
By: dedestexhes : November 22nd, 2012-05:30
As far as I know, it was the first issue of the relaunch of the Lindbergh collection in this size. I seem to remember that it also is a limited edition. It houses a in house Longines movement (they sold the movement afterwards to someone, don't remember a...
Now I realized...
By: KIH : November 23rd, 2012-18:06
... the one I know has more digit in the serial number (8 digits) while yours has 7 digits s/n. Maybe the earlier version has 994.1 inside? BUT, this page shows interesting data - not sure this is entirely accurate. 10&1archimedeshop&b119&2usw...
Mine has 8 digits ...
By: nilomis : November 24th, 2012-00:10
The last digit was digitally erased by me on the picture, following a local paranoia about serial numbers. Next time I will do this using a more explicit paint. The information about this movement on that site seems to be incorrect. I was able to locate 9...