Good luck with changing the strap! I recently did it on my 5707, and may never try it again, for all the reasons you've discovered. (See here .) Meanwhile, this is the second post of yours that makes me rethink the Breguet Marine line in a better light. (
I wouldn't mind adding this to my collection, but I already have a 5707 wg guilloché dial, and love it... I find it more versatile. It’s like music to my ear
Then the 5707 with its guillochéd dial is lovely and (obv) inspired by an original Breguet pocketwatch. The tradition is inspired by Breguet's souscription pocketwatches and is also lovely. I would go with the 5707, but really, go with whichever you wake
It seems the 5707 (Guilloche) is a bit more interesting, more popup, more wow-factor to me once I put it on my wrist. Tough one. To my surprise, 7337 is a bit too "flat" on the dial, and I really not in favor of both day and date windows... The alarm Yell
For a moon phase, I would look at the charming 7337 or 7787. I wear yg, it adds a little class to a dressed-down look. On a strap it's not too much (a yg bracelet is what pushes it over the edge for me). Wg is charming and nice, no wrong choices here!