Patek Philippe

2526j（right）& 3428r(left) These two have enamel dials, but the thickness of the case is slightly different due to the difference in automatic movements. 2526 is 12-600, 3428 is a little thinner later 27-460 There may be exceptions, but it is said that...  

Even though I have the Freccero in Uruguay, I am not 100% sure what you mean by tropical, other than that they could withstand the climate. ...  

In any event, definitions and categories aside, those three dials are *incredibly* attractive, and so is the factory bracelet on your 2526.....this looks like another truly exquisite trio of your never-ending Calatrava collection! Enjoy!

A beautiful trio. The enamel dials have a nice tender cream colour that should continue to remain stable. As such I would not call them tropical dials.

This is an example of what a tropical dial would look like... Although this was obviously a bad example as it was a Frankenwatch. ...  

But it's a good example of what a tropical dial would look like.

I'm personally not crazy about chasing after vintage watches... I feel, it should be vintage within your own family. Although I definitely understand the appeal! And if a perfect example landed in my lap, I'd consider buying it. I also realize I don't kno... 

I've only bought a couple used watches - from a friend of mine's estate when he passed away. And I was even with him in the store when he bought some of those watches!

Some like patina dials, but others don’t. In 1950s and 60s the quality of the dials were so poor and many South American people hated that the strong sunshine and humidity in their “tropical weather” made the dials of expensive watches turned to brown. Th... 

Thank you for sharing!

You just don’t see many PP 3428’s in the wild. Congrats on three beauties.