An awesome 1970's Espada Sub Sea Moon phase full calendar chronograph Ref. 01.0040.418, stainless steel sctew back 39 mm. x 45 mm. case in excellent overall condition, an holy grail watch, only 500 made between 73-75, to compare the estimate for the vintage Heuer Monaco is that about 5000 were made across all dials and movements between 1969 and 1975. The Zenith Espada was the world’s first automatic chronograph with full calendar and Moon phase. The watch is mint and completly original, comes with the red cilinder leather box.