Watches of Knightsbridge Lot soldUSD 992 - 1 276GBP 700 - 900 (listed)EstimateUSD 992 - 1 276GBP 700 - 900 (listed) See all lots IWC Watches of Knightsbridge - Modern & Vintage Timepieces, 15th March 2014 | London, 15 March Summary Lot number 206 Location Watch type Other Description A RARE GENTLEMAN'S TUNGSTEN STEEL IWC EDISON ELECTRONIC BRACELET WATCH CIRCA 1970s D: Black inner dial, grey surround with luminous inlaid silver batons, day-date aperture. M: Electronic tuning fork movement signed IWC & numbered, calibre 150. C: Cushion shaped case, signed International Watch Co. & numbered, case width measures approx. 42mm. B: Original IWC bracelet.