IWC H.S.3 very rare deck watch with central second... Lot 3315

IWC H.S.3 very rare deck watch with central second calibre 52 SC in steel, Switzerland around 1940, screwed down case, rear site British military-engraving H.S.3 with Broad- Arrow, enamel dial, Arabic numerals, the four last digits of the movement-number at 12, blued original hands, gold plated movement, compensation-balance with Breguet-hairspring, precision adjustment, movement and case-number are different for 5 numbers, diameter approx. 51,5 mm, overhaul recommended at buyer's expense, condition 2 1200 movements of calibre 52 SC are produced in 1940, thereof 1000 for the big aviation- watch. only 200 watches of the present type exists