So, while on a business trip in Singapore I decided to stop by the Breguet boutique in ION Orchard to see what they have. Little did I know that they received the first allocation of this reference in the whole of South East Asia on the day of my visit. I...
So far the only no-date versions of the 5177 are this one that I got and the limited edition Japanese-only release a few years back. Other than that, there's also the 7637 minute repeater.
As for no-date iterations, never say never, but since they already did a blue enamel 5175 Japan-only, 10-piece limited edition in white gold, I don’t think they’ll release it again. They might bring out the black and white no-date dials in white gold. ...