Girard-Perregaux WW.TC John Harrison Watch

Girard Perregaux released another timepiece called “ww.tc.” It is made to pay homage to the legendary watchmaker John Harrison. Just so you know, John Harrison became popular for his H4, a watch that was used for calculating the longitude on any part of the earth’s surface. This Girard-Perregaux WW.TC John Harrison Watch is limited to just 50 pieces only and comes with a dial that has various locations displayed on it, made in the particular pattern in which Mr. Harrison’s son William, when he took a voyage on the Atlantic ocean to test the H-4 watch’s ability to measure the longitude of the earth, during the 18th century.



















