A fine and rare clock watch with chronograph, Petit sonnerie, grand sonnerie and perpetual calendar. Fortunately this required only a clean because it's one of the most complicated timepieces ever produced.
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The disassembled movement removed and cleaned.
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Underside of the dial only one lever left!
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Two barrels are fitted and the clock watch train is awaiting their bridge.
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Both ratchet wheels are in place and clock watch bridge. Note a forward motion will wind the time train and backward motion winds the clock watch train.
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Balance is timed and regulated and with the positioned three quarter plate it hardly looks complicated!
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Assembly of clock watch mechanism has started.
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At last all parts fitted and working.
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Closer look at the mechanism you can now see parts of the chronograph.
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Now the perpetual calendar mechanism.
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Assembled mechanism.
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48 tooth month wheel can be seen.
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Side view.
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Calendar set up and synchronised ready for the dial.
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Enamel dial.
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Hands in place and watch ready for testing.

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