Patek Philippe Calatrava modern While the Sub 300 "Professional"

While the Sub 300 "Professional" may be the more easily recognizable vintage DOXA diver with its unmistakable bright orange dial

all-black version of the classic ‘Ripley’ ranks up with the original as one of the coolest chronographs ever designed

and COSC hangtag

as well as being the ultimate dress watch alternative for the sporting collector

Patek Philippe Calatrava modern While the Sub 300 "Professional"Patek 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 decided to enlist the help of an English designer named David Penney to create a simple watch that would come in at a lower price point and appeal to the firms clientele. Using the principles