GP1 Girard Perregaux Elegance Manufacture Flyback Chronograph. Reference 49580-11-851-BA6A. Watch measures a perfect 40mm and is made from steel. Automatic GP in-house movement caliber GP3379. Sapphire crystals on both sides of the case. Waterproof. Functions are hours, minutes, sub seconds, flyback chronograph, tachymeter and date. This watch is fitted with the original brown leather strap with steel folding clasp. Naturally this watch is complete with the original box and papers dated November 2007. Please be aware that the strap is good but needs to be replaced in the near future. What a beautiful watch! SOLD