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Audemars Piguet 4100st 1562 Calibre 2123

the broken lower jewel setting


































the lower shock setting is damaged, and the shock spring can't be fitted properly any more













broken boot pin


the boot pin is broken - that's why the watch couldn't be regulated ...


turning a new boot pin in the lathe - diameter 0.12mm

the new boot pin

ready to be put into place

the new boot pin in place