Ok I had to get this 5011k pocket watch ...

Bill,
Great buy; great watch: why the modesty?

Two questions which have come up with my 5011k now being service by Zenith:
• The "Power Reserve" Indicator
All the other watch power reserve indicators I have seen, including those produced by Zenith, show a “reserve power” defined as the number of hours remaining for running. For example, 36 = 36 hours reserve remaining, 12 = 12 hours reserve remaining, 0 = no reserve.
For my caliber 5011k, the "power reserve" indicator shows the number of hours it has run for 48 hours assuming a fully wound starting point of zero, for example, 36 = 12 hours reserve remaining, 12 = 36 hours remaining, 0 = 48 hours remaining.
I am very well acquainted with Zenith’s technical literature. This "reverse power reserve indicator from a base of 48 hours” system appears to be unique to the Zenith 5011k and is obviously very confusing - no doubt the reason why no other manufacture, including Zenith, has used this reverse power reserve indicator, in any other watch or caliber, before or since. I have also not seen it explained in any Zenith technical or marketing literature.
Please confirm that this is the same with your 5011k.

• Hacking Mechanism
The “hacking mechanism” which permits the second hand to be stopped independently to synchronize the time with a very clear description of how it should work for the 5011k is provided on page 268 of Zenith’s newly-published 150th Anniversary Book.
Please confirm that your 5011k's hacking mechanism is functional.

For everyone's reference, have attached some reference photos of other 5011k's from the web.

Best

Great find Bill!

Here are a couple of informative posts from JohnChris on the 5011k and Thomas Engel:

https://omegaforums.net/threads/cal-5011-k.4217/#post-48757

https://omegaforums.net/threads/zen...chronometers-of-thomas-engel.8261/#post-97078

Stunning watch!! 👍
Hope you get something figured out with the display box.

Bill,
1. Please confirm that the "Power Reserve" on your 5011k PW functions in the same reverse fashion as described above.
2. Please confirm that your 5011K PW does not have a hacking mechanism.
3. Re. the 150th Anniversary Zenith book, yes, it is very much worth while having as a complement to - and only if you already have - Rošsler... what it lacks in Rošsler's technical detail, it makes up with some really beautiful pictures: the two work very well together, and at $100/book on Amazon or eBay, why not?