IWC "Die Grosse Fliegeruhr" or "Big Pilot" ref. 5002. Wristwatch, round steel case, black dial with Arabic numerals, track minute track, date window at 6 o'clock and date counter, black leather strap and folding clasp. Dial, crown, back and buckle signed. Back No. 3165542. Mechanical self-winding movement (unopened). Purchased in 2006. Diameter: 46 mm Accompanied by its case, slipcase, booklets and guarantee card. Good condition, worn bracelet to be changed, functional movement, case interior faded. All watches were functionally tested at the time of writing and here the study gives an opinion (functional or not). However, the accuracy of the movements is not guaranteed, nor is the functioning of the watches after the sale. After purchasing a second-hand watch, it is always advisable to have it serviced. Expert: Mrs Françoise SERRU, expert for the Court of Appeal of Montpellier.