Watches of Knightsbridge Lot soldUSD 1 110 - 1 664GBP 800 - 1 200 (listed)EstimateUSD 1 110 - 1 664GBP 800 - 1 200 (listed) See all lots Avia Other Watches of Knightsbridge - Modern & Vintage Timepieces, 15th March 2014 | London, 15 March Summary Lot number 158 Location Watch type Other Description A GENTLEMAN'S STAINLESS STEEL HEUER AUTAVIA CHRONOGRAPH WRISTWATCH CIRCA 1970s, REF.7763 D: Black dial with luminous inlaid silver batons, outer minute track, double register recording minutes & continuous seconds. M: 17 jewel manual wind Valjoux 7730 movement signed Heuer Leonidas SA. C: Circular case, signed Heuer-Leonidas S.A, rotating tachymeter bezel, case diameter measures approx. 40mm. S: Brown leather strap.