GIRARD-PERREGAUX ww.tc John Harrison watch, the dial is the consummate craft painted enamel crystals fill cohesion by Girard Perregaux GP exemplar plant carefully crafted enamel workshop . Echoed with the dial , the city displays the name of the ring with royal blue highlights of Portsmouth and Port Royal . In addition to displaying local time , but this watch through blue / white color time display and rhodium-plated ring leaf minute synchronized display time around the world.
First contour charts engraved on platinum green sheet . Eight compass directions delicate flower wind rose , the size of no more than 3 mm, hand-carved by the craftsmen carving . Then , artisans with a brush to paint a green or blue enamel fill in the hollow area of ​​the liquid . Enamel paint in the oven up to 800 degrees Celsius oven roasting after a certain time , they get crystallized glass -like translucent effect . Let it cool , then place it in the water, to the Hard Rock sandpaper rubbed off excess enamel . Then , the first on the dial with hand-polished diamond file , and then the last firing , a process called " glazing " (dorure), so that the enamel shine bright light. William Harrison sailing route from Europe to the Americas , then the silver carefully tracing .