PATEK PHILIPPE NAVIQUARTZ CHRONOMETER GILT STEEL and WOOD Patek Philippe, GenËve, No. 1801605, model E 1200. Made in the 1970s. Fine, Naviquartz, electronic, center seconds chronometer. Accompanied by the original mahogany fitted box with key and instruction manual. Cast and painted metal with gilt bezel, battery compartments with screw-down covers, folding stand. Champagne with radial Roman numerals, outer minutes and seconds divisions. Black painted Breguet hands. Electronic, battery operated with quartz standardization.