Patek Philippe Calatrava with Box and Papers Ref 5107J envelope there is an underline on

there is an underline on the dial (a signifier of lower radiation levels)

which is very common with these watches

The dial in this reference 1601 Datejust would have originally been grey

- Oyster Bracelet ref 7836 with 280 endlinks

SCBOT text for rare testing lines…

Patek Philippe Calatrava with Box and Papers Ref 5107J envelope there is an underline onThis is a fantastic looking Patek Calatrava with a wonderful hybrid look of classic dress watch, with stunning opaline dial and classic dauphine hands, with sporty vibes thanks to a case that has crown guards. Turn it over and you can admire the superb finishing on the calibre 315SC movement through the display case back. The yellow gold case remains in very fine condition, with cool crown guards on this lovely 37mm case. The opaline dial is wonderful