Patek Philippe Calatrava 3563-3 - 18K White Gold Gubelin Dial Opal with its classic two-tone styling

with its classic two-tone styling and comfortable leather strap

it represents a time when a watch was simply a reliable tool for underwater exploration

Year: 1970

and with it came a wave of "skin diver" watches

Sub seconds at 6 o'clock

Patek Philippe Calatrava 3563-3 - 18K White Gold Gubelin Dial Opal with its classic two-tone stylingThe Art Of The Second Signature A retailer's signature on a Patek Philippe dial elevates a watch from a piece of fine watchmaking to a specific historical object. This Calatrava, double stamped by the legendary Swiss jeweler Gubelin, is a prime example. It represents a time when the relationship between manufacturer and retailer was a true partnership. This signature, placed on a dial with a fine grid texture and housed in a fully integrated white