In Patek's offerings there is very little new. If 5170 is now made of WG and the indexes are replaced with Breguet numbers, it can not be called "new". A new reference is 5200G. However, I can just see the basic idea of 5100 downgraded with day and date a...
spiromax balance spring, pulsomax lever and escapment wheel. At midnight the both indications of day and date, change instantly within 3 millisecond. Improved movement... Its a clear improved watch, only regret is why the blue dial doesn't have platinum c...
I handled it yesterday. It was quite heavy and at least I would not need the added weight of platinum. In metal it is a beautiful watch. The blue dial is not as readable as the white one - in fact the blue dial is a bit messy. If I could choose either 510...