MOVEMENT: Highest-grade chronometer movement made by Patek Philippe & Co Geneve 1924. Chronometer movement, big bimetallic compensation balance, blued breguet hairspring, mustache fork, wolfteeth winding wheels, ruby jewel settings, steel escape wheel, and long micrometric regulator. The plates are super clean and the have only the finest workmanship throughout. Working very well; the overall condition is very clean. The authenticity of the watch movement is confirmed by copying the extract from the archive, which will be provided to the buyer. The watch has been very well preserved. Movement has been recently serviced to ensure it winds and sets smoothly while keeping great, accurate time. Serial number: 199... This beautiful watch has the original movement and was custom decorated later (see photo). DIAL: art-decorated dial—lighthouse. Box: The solid mahogany box is designed and made specifically for this watch. Case: Custom-made, designed specially for this movement. Size: With the crown: 48 mm Without the Crown: 43 mm STRAP: Included, handmade brown with 22 mm. Crystals: Mineral glass, front and back. It will be a great acquisition for the lucky top bidder! Please examine each photo carefully for further details, as the photos control this written description. I am a member of the NAWCC (National Association of Watch and Clock Collectors). Gentlemen, if you have questions about this chronometer, I will gladly answer them.