A RARE AND IMPORTANT YELLOW GOLD MANUALLY-WOUND PERPETUAL CALENDAR CHRONOGRAPH WRISTWATCH WITH MOON-PHASE DISPLAY MANUFACTURED IN 1980, 4TH SERIES WITH SAPPHIRE CRYSTAL. DIAMETER: 37 mm. THIS WATCH COMES WITH AN EXTRACT FROM THE ARCHIVES CONFIRMING DATE OF MANUFACTURE AND SALE. THIS WATCH IS IN MINT OUTSTANDING CONDITION WITH IT ORIGINAL RETAIL STICKER ON THE BACK Over a period of 35 years, reference 2499 was made in four series in a total production of only 349 watches. The 4th series was from 1979 to 1984.
