Fine Swiss staybrite stainless steel pocket watch Circa 1930

Staybrite stainless steel lever pocket watch
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A fine Swiss staybrite stainless steel, keyless pocket watch, circa 1930. A polished case. Satine silver dial with painted Breguet numerals, the outer track for minutes and with radial Breguet numerals for the 24 hours. Blue steel Breguet hands. Movement with Geneva striping decoration, nine jewels, straight-line lever escapement, monometallic balance, self-compensating Breguet balance spring, swan-neck micrometre regulator. Case and movement signed.
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Diameter: 48 mm
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Signed: International Watch Co.  Schaffhausen
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The case is slightly scratched.