Rare German platinum watch with platinum chain Circa 1932

Gold open faced lever watch 
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An absolute rare, A. Lange & Söhne with platinum case and platinum chain, with original box & original papers, circa 1932. A platinum, A. Lange & Söhne precision lever movement with gold lever and fine adjusting device, quality Deutsche Uhrenfabrikation Glashütte, original signed dial, original Breguet steel hands, original box with corresponding platinum watch chain, spare spring and spare glass, original papers, extract from the archives. According to Lange & Söhne archives this watch with the number 92141 was sold on 12th of April 1932. As far as we know, this is the first Lange und Söhne pocket watch with a platinum case that is offered at auction.
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Diameter: 49 mm
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Weight: 83 g
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Signed:  A. Lange & Söhne  Glashütte