Interesting, early German silver lever pocket watch Circa 1878

Silver open faced lever by A. Lange & Söhne
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Interesting, early German silver open faced lever pocket watch, circa 1878. Fine, very early precision lever movement, without fine adjusting device, gold lever, gold escape wheel. White enamel dial (fine hairline) with Roman numerals and blued steel hands. Case with gold hinge, gold crown, floral engraving and Saxony owner’s engraving tothe back, incorrectly punched 11224. Matching numbers 11222 to the case back and movement, movement signed.
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Diameter: 50 mm
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Weight: 103 g
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Signed: A. Lange & Söhne Glashütte Dresden