EBERHARD "EXTRA-FORT" CHRONOGRAPH IN GOLD, 50S Case: signed, n. 1026202, three-body in 18K gold, hinged bezel and caseback, rectangular buttons one of which slide. Bracelet/Strap: not original. Dial: signed, silvered, applied circular indexes and printed Arabic numerals, minute divisions and 1/5th of seconds fraction, subsidiary dials for seconds and 30-min register, tachymeter graduation, bâton hands. Movement: signed, manual-winding cal. 1600, n. 20558, nickel-plated, column wheel, monometallic balance with screws, Breguet hairspring, Incastar regulator. Accessories: – Diameter Ø: 39 mm Note: working, but a servicing is suggested.