Good later IWC Pallweber-type movement with digital time display, circa 1890.
Pale gilt keyless split three-quarter-plate movement jewelled to the 3rd, the dial shroud engraved A&L. Straight line detached lever escapement with steel club-tooth escape. Un-cut compensation balance, balance-spring with overcoil. Enamel dial with aperture for the silvered dial shroud showing digital hours and minutes, and standard seconds below. 44 mm diameter, 11 mm deep.
This appears to be an uncommon example of Joseph Pallweber's second English Patent for a "chronoscope" digital display, Patent No 4978, April 1886. The winding wheels also show the movement to be the work of the International Watch Co, but A & L stands for Aeby & Landrey a company established in 1873 in the area of Madretsch, now a suburb of Bienne. A complete watch is shown by Alan Shenton in his book Pocket Watches... page 352
These later Pallweber Patent watches seem far less common that the earlier, 1882 Patent, type. Enamel dial with cracks and all rather dirty. Not cleaned by me but ticking when wound with the digital display working properly - I have not checked timekeeping.
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