Patek Philippe Calatrava specialpricing a bi-directional rotating bezel with

a bi-directional rotating bezel with a 24hr 'Pepsi' insert

breathing helium-infused air and allowing the built-up helium to leave their bodies

released in the late 1970s

This particular Unisonic is crisp and clean

Patek Philippe Calatrava specialpricing a bi-directional rotating bezel withPatek Philippe has long been known for its complicated watchmaking, but following the stock market crash of 1929, fewer clients had the means to purchase these high end timepieces. After securing a controlling interest in the firm, Jean and Charles Henri Stern created the Reference 96, the first watch that began the legacy of the Calatrava. Although the name 'Calatrava' was not associated with dress watches made by Patek until much later, the 96 was