Georg Jensen , Henning Koppel (b. Copenhagen 1918, d. s.p. 1981), Koppel Chronograph of steel, ref. 517. Quartz chronograph movement with date. Brown Georg Jensen strap with Georg Jensen folding clasp of steel. Ø 41 mm. 2010s., Accompanied by Georg Jensen box, manual and blank certificate., Wear due to age and use. We do not guarantee for the functionality. In need of a new battery.