Swiss extremely rare “IWC” Schaffhausen watch Circa 1997

Steel open faced pocket watch by International Watch Co.
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A Swiss as new and extremely rare Schaffhausen “Ingenieur SL”, gentleman’s pocket watch, circa 1997.
Steel polished case. Signed, white, structured, enamel dial with radial Roman hours, auxiliary seconds and blued baton hands. Bridge movement, gilt, with “fausses côtes” decoration, 5 Adj., 19 jewels, Glucydur screw balance and incabloc shock protection for balance.
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Diameter: 49 mm
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Weight: 89 g
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Signed: International Watch Co., Schaffhausen, Ingenieur SL
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Ingenieur SL Reference 5215:
As far as known there only 200 copies were ever produced of this ref. 5215. Ref. 5215-004, which has a white dial and Roman numerals, is the rarest of them all – only about 10 of them were ever made.