Patek Philippe Calatrava chronograph these utilized robust movements made

these utilized robust movements made by ETA

this Sub comes with its period box

the Nivada name is still in business today

Housed in a 39mm bronze case with a sapphire crystal

Patek Philippe Calatrava chronograph these utilized robust movements madePatek 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 create a simple watch that would come in at a lower price point and appeal to the firms clientele. Using the principles espoused by the Bauhaus school and its minimalist, function