Speaking of changing times, who would have thought that one of Patek Philippe's most classic and revered models would have a curved green dial? The dials on numerous variants of the Ref. so far. The 5270 comes in conservative colors like white or black; colors are only as adventurous as navy blue or salmon. This is further evidence that Patek Philippe is increasingly targeting younger customers - check out the brand's latest Calatrava watch. But we digress. To be fair, the shade of green Patek Philippe uses on their latest Ref. The 5270 is more luxurious than casual. In fact, the way it fades to black on the periphery is truly fascinating. Once you get over the exotic new dial, you'll find other changes on the dial. The most obvious change is the lack of a tachymeter scale, making the dial less complicated but more concise. By one tick, the date display no longer needs to traverse the remaining tick due to lack of space. The name of the game is Simplified, and this extends to a new sans-serif font used for all inscription numbers. It is worth mentioning that the hour and minute hands are no longer leaf-shaped, and the hour markers are now inclined towards one end.