Patek Philippe Perpetual Calendar Watch. Patek philippe perpetual calendar chronograph ref. At 37 6mm in diameter the 2499 was a little large for its day but given the machine running inside it is still considered a marvel of micro mechanical engineering.
In 1951 patek philippe brought out the venerable 2499 a perpetual calendar with full chronograph function and a moon phase complication and the successor to the famous 1518. Patek philippe perpetual calendar chronograph ref. The reference 1591 was a highly audacious timepiece in that it combined the elegant functionality and technical innovation related to the perpetual calendar with a waterproof case luminous hands and dial.
It was patek philippe who was first to produce in series the perpetual calendar chronograph wristwatch.
Patek philippe has launched a new self winding perpetual calendar with a contemporary vintage style in a case with three tier lugs as well as a lacquered cream dial graced with luminous numerals and hands. It was a traditional chronograph with a combined perpetual calendar. Patek philippe grand complication 5159r 18k rose gold 38mm watch 58 500. In 1951 patek philippe brought out the venerable 2499 a perpetual calendar with full chronograph function and a moon phase complication and the successor to the famous 1518.