JAEGER LECOULTRE "Master Control Chronograph". Steel chronograph wristwatch, round case, silvered dial with Arabic numerals, chemin de fer minute track, tachymeter, three chrono function counters and date window at 4:30, basket-weave bracelet, butterfly clasp (minor scratches and wear). Quartz movement (unopened). Dial, back, crown and buckle signed. Back no. 1791 and 145.8.31 Diameter: 34 mm - Wrist circumference: 19 cm Accompanied by its box (worn) and certificate of authenticity dating 1998 purchase. All watches were function-tested at the time of writing. Except for the mention of a mechanism "to be overhauled", the watches were functional. However, the accuracy of the movements is not guaranteed, nor is the functioning of the watches after the sale.