Horological Meandering

Can anyone explain how the world time works on this watch. Thanks in advance. Ed ...  

My bet, though it’s a guess at this point, is that it turns the inner map dial, which acts like a city ring. The 24-hour ring rotates with time of day, but how it references the map depends on the map orientation. The picture shows it as being set either ... 

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But also moves with the passage of time? In that case, I’m very surprised it uses a second crown and not a single crown. Let’s use words (I don’t know how to solve the video problem). The upper crown winds the watch in its unpulled position. Pulled all th... 

I suspect the forum doesn’t host videos, but requires you to host them on YouTube, and then imbed the video in the post. —Rick

When you turn the second crown, the 24 hr ring rotates. The map disc remains constant. When you turn the hour/min crown, the map disc rotates with it. So the map disc rotate with time.

The map is like the 24-hour hand on an old GMT movement, and is hard-geared to the main hands. The second crown adjusts the reference. So, you set local time, and then rotate the hour ring with the second crown until the same local time aligns with the pa... 

I like your new find, but it seems even more confusing than this Louis Vuitton watch. I really have to THINK to read these watches... must be getting old. Cazalea ...  

Without either alcohol or medication too, it was a difficult task. LOL. These watches are suppose to make us feel, on FEEL young. Best Ed